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Multi-WAN
SSL / IPSec VPN QoS Router
Load Balancing, Bandwidth Management
VPN & Network Security Management
English User’s Manual
Enterprise Multi-WAN VPN QoS Router
Product Manual Using Permit Agreement
[Product Manual (hereafter the "Manual") Using Permit Agreement] hereafter the "Agreement" is the using permit of the Manual, and the relevant rights and obligations between the users and Qno Technology Inc
(hereafter "Qno"), and is the exclusion to remit or limit the liability of Qno. The users who obtain the file of this manual directly or indirectly, and users who use the relevant services, must obey this Agreement.
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"Agreement" and the restriction of clauses in this "Agreement".
【1】Statement of Intellectual Property
Any text and corresponding combination, diagram, interface design, printing materials or electronic file are protected by copyright of our country, clauses of international copyright and other regulations of intellectual property. When the user copies the "Manual", this statement of intellectual property must also be copied and indicated. Otherwise, Qno regards it as tort and relevant duty will be prosecuted as well.
【2】Scope of Authority of "Manual"
The user may install, use, display and read this "Manual on the complete set of computer.
【3】User Notice
If users obey the law and this Agreement, they may use this "Manual" in accordance with "Agreement". The
"hardcopy or softcopy" of this Manual is restricted using for information, non-commercial and personal purpose. Besides, it is not allowed to copy or announce on any network computer. Furthermore, it is not allowed to disseminate on any media. It is not allowed to modify any part of the "file". Using for other purposes is prohibited by law and it may cause serious civil and criminal punishment. The transgressor will receive the accusation possibly.
【4】Legal Liability and Exclusion
【4-1】Qno will check the mistake of the texts and diagrams with all strength. However, Qno, distributors, and resellers do not bear any liability for direct or indirect economic loss, data loss or other corresponding commercial loss to the user or relevant personnel due to the possible omission.
【4-2】In order to protect the autonomy of the business development and adjustment of Qno, Qno reserves
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Enterprise Multi-WAN VPN QoS Router
the right to adjust or terminate the software / Manual any time without informing the users. There will be no further notice regarding the product upgrade or change of technical specification. If it is necessary, the change or termination will be announced in the relevant block of the Qno website.
【4-3】All the set parameters are examples and they are for reference only. You may also purpose your opinion or suggestion. We will take it as reference and they may be amended in the next version.
【4-4】This Manual explains the configuration of all functions for the products of the same series. The actual functions of the product may vary with the model. Therefore, some functions may not be found on the product you purchased.
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Commission" is the arbitration organization.
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Enterprise Multi-WAN VPN QoS Router
Content
V. Device Spec Verification, Status Display and Login Password and Time Setting ............... 11
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Enterprise Multi-WAN VPN QoS Router
I. Introduction
Qno Multi-WAN VPN QoS Router (referred as VPN QoS Router hereinafter) is a business level firewall router, applied by medium and large-scale enterprises, internet cafes, and communities, etc. High speed professional network processor and high standard in SDRAM and Flash offers it super networking efficiency, almost equal to those of expensive enterprise-level VPN QoS Routers.
What’s more, built-in
10/100Mbps/1000Mbps QoS and 10/100 /1000Base-T/TX Ethernets (RJ45) WAN ports, plus its VLAN switching board makes it outstanding in similar products.
Firstly, VPN QoS Router integrates most of the traditional features Qno Router has:
Multi-WANs
This special design gives VPN QoS Router Auto Load Balance, Exclusive Routing
(remaining WAN balance) and Strategy Routing for high-efficiency network;
Access Rules & QoS Managemengt
To control web access, users can build and edit filter lists. It also enables users to ban or monitor websites according to their needs. By the filter setting and complete
QoS management, school and business internet management will be clearly improved.
DMZ Port
It can support 10/100 Base-T/TX Ethernet (RJ45) and provide the features of
Virtual Route, Microsoft UpnP, VLAN, Multi Subnet, and Transparent Bridge.
On-line SysLog records
VPN QoS Router supports on-line management setup tools; it makes setting up networks easy to understand. It also reinforces the management of network access rules, VPN, and all other network services.
Other Functions
DHCP, fixed IP, PPPoE, Port Binding, Static/Dynamic routing, NAT, one to one NAT,
PAT, MAC Clone, as well as DDNS. It makes the network environment more flexible and easier to manage.
Secondly, VPN QoS Router provides VPN (virtual networknetwork),which works under the IPSec Protocol. IPSec VPN provides DES, 3DES, AES-128 encryption,
MD5, SH1 certification, IKE Pre-Share Key, or manual password interchange. It enables enterprises to benefit from VPN without being troubled with technical and network management problems. The central control function enables the host to log in remote client computers at any time. Security and secrecy are guaranteed to meet the IPSec standard, so as to ensure the continuity of VPN service.
Besides, VPN QoS Router also has unique QVM VPN- SmartLink IPSec VPN. Just
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input VPN server IP, user name, and password, and IPSec VPN will be automatically set up. Through VPN QoS Router exclusive QVM function, users can set up QVM to work as a server, and have it accept other QVM series products from client ports. QVM offers easy VPN allocation for users; users can do it even without a network administrator.In addition, QVM1250 features NetBIOS transparency, and supports IP grouping for connections between clients and host in the virtual private network.
Thirdly, VPN QoS Router offers the function of a standard PPTP server, which is equipped with connection setting status. Each WAN port can be set up with multiple
DDNS at the same time. It is also capable of establishing VPN connections with dynamic IP addresses.
Fourthly, the advanced built-in firewall enables VPN QoS Router to prevent most attacks from the Internet. It utilizes active detection technology SPI (Stateful Packet
Inspection). SPI mainly within the network by dynamically inspecting each link, also warn for the application process; therefore, it can refuse connections to non-standard communication protocols.
VPN QoS Router fully protects the safety of communication between all offices and branches of an organization. It helps to free enterprises from increasing hacker intrusion. With an exclusive independent operation platform, users are able to set up and use a firewall without professional network knowledge. VPN QoS Router setting up and management can be carried out through web browsers, such as IE,
Netscape, etc.
The specific functions will be described in the following chapters.
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II. Multi- WAN VPN QoS Router Installation
This chapter introduces hardware installation. Through the understanding of multi-WAN setting process, users can easily setup and manage the network, making VPN QoS Router functioning better.
2.1 Systematic Setting Process
Users can set up and enable the network by utilizing bandwidth efficiently. The network can achieve the ideal efficientness,block attacks, and prevent security risks at the same time. Through the process settings, users can install and operate VPN QoS Router easily. This simplifies the management and maintenance, making the user network settings be done at one time. The main process is as below:
1. Hardware installation
2. Login
3. Verify device specification and set up password and time
4. Set WAN connection
5. Set LAN connection: physical port and IP address settings
6. Set QoS bandwidth management: avoid bandwidth occupation
7. Set Firewall: prevent attack and improper access to network resources
8. Set UPnP, DDNS, MAC Clone
9. Set Management and maintenance about Syslog, SNMP, and configuration backup
12. Logout
2.2 Flow Chart about Setting
Below is the description for each setting process, and the crospondent contents and purposes. For detailed functions, please refer to Appendix I: Setting Inferface and Chapter Index.
10. Set VPN (Virtual Private Network), QnoKey, QVM VPN
11. Set SSL VPN
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NO.
1
2
3
4
5
6
7
Setting Items
Hardware installation
Content
Configure the network to meet user’s demand.
Login
Verify device specification
Login the device with
Web Browser.
Verify Firmware version and working status.
Set password and time Set time and re-new password.
Purpose
Install VPN QoS Router hardware based on user physical requirements.
Login VPN QoS Router web-based UI.
Verify VPN QoS Router specification, Firmware version and working status.
Set WAN connection
Modify the login password considering safe issue.
Synchronize the VPN QoS Router time with
WAN.
Connect to WAN. Configure bandwidth to optimize data transmission.
Set LAN connection: physical port and IP address settings
Verify WAN connection setting, bandwidth allocation, and protocol binding.
Set mirror port and
VLAN. Allocate and manage LAN IP.
Provide mirror port, port management and
VLAN setting functions. Support Static/DHCP
IP allocation to meet different needs. IP group will simplify the management work.
Set QoS bandwidth management: avoid bandwidth occupation
Restrict bandwidth and session of WAN ports, LAN IP and application.
To assure transmission of important information, manage and allocate the bandwidth further to achieve best efficiency.
Set Firewall: prevent attack and improper access to network resources
Block attack, Set
Access rule and restrict Web access.
Administrators can block BT to avoid bandwidth occupation, and enable access rules to restrict employee accessing internet improperly or using MSN, QQ and Skype during working time. They can also protect network from Worm or ARP attacking.
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8
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Set DMZ/
Forwarding, UPnP,
DDNS, MAC Clone
Set management and maintenance settings about Syslog, SNMP, and configuration backup
DMZ/Forwarding,
UPnP, Routing Mode, multiple WAN IP,
DDNS and MAC
Clone
DMZ/Forwarding, UPnP, Routing Mode, multiple WAN IP, DDNS and MAC Clone
Monitor VPN QoS and configuration backup.
Administrators can look up system log and
Router working status monitor system status and inbound/outbound flow in real time.
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VPN Virtual Private
Network, QnoKey,
QVM VPN function setting
Configure VPN tunnels, e.g. PPTP,
QnoKey, and QVM
VPN.
Configure different types of VPN to meet different application environment.
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SSL VPN function
Setting
12 Logout
SSL VPN user authority and the available resources management
Close configuration window.
Settings which users can use SSL VPN and each user or user group permissions.
Management of the resources available
Setting Authentication Server
Logout VPN QoS Router web-based UI.
We will follow the process flow to complete the network setting in the following chapters.
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III. Hardware Installation
This chapter introduces the physical installation of hardware.
3.1 VPN QoS Router LED Signal
LED Signal Description
LED Color Description
Green Green LED on: Power ON
Power
DIAG
Link/Act
（Green light at the right of the port）
Amber Amber LED on: System self-test is running.
Amber LED off: System self-test is completed successfully.
Green Green LED on: Ethernet connection is fine.
Green LED blinking: Packets are transmitting through Ethernet port.
100M- Speed
（Amber light at th left of the port）
Amber Amber LED on: Ethernet is running at 100 Mbps.
Amber LED off：Ethernet is running at 10 Mbps.
1000M- Speed
（Geen light at th left of the port）
Green
Green LED on：Ethernet is running at 1000 Mbps.
Connect
Green Green LED on: WAN is connected and gets the IP address.
Reset
Action
Press Reset Button For 5 Secs
Press Reset Button Over 10 Secs
Description
Warm Start
DIAG indicator: Amber LED flashing slowly.
Factory Default
DIAG indicator: Amber LED flashing quickly.
System Built-in Battery
A system timing battery is built into VPN QoS Router. The lifespan of the battery is about 1~2 years.
If the battery life is over or it can not be charged, VPN QoS Router will not be able to record time correctly, nor synchronize with internet NTP time server. Please contact your system supplier for information on how to replace the battery.
Attention!
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Do not replace the battery yourself; otherwise may cause irreparable damage to the product.
Installing VPN
QoS Router on a Standard 19” Rack
It is suggested that either place VPN QoS Router on a desk or install it in a rack with attached brackets. Do not place other heavy objects together with VPN QoS Router on a rack. Overloading may cause the rack to fail, thus causing damage or danger.
Each VPN QoS Router comes with a set of rack installation accessories, including 2 L-shaped brackets and 8 screws. Users can rack-mount the device onto the chassis. Please refer to the figure below:
Attention!
Considering of the device to run smoothly, wherever users install it, be sure not to obstruct the vent on each side of the device. Keep at least 10cm space in front of both the vents for air convection.
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3.2 VPN QoS Router Network Connection
Enterprise Multi-WAN VPN QoS Router
WAN connection：A WAN port can be connected with xDSL Modem, Fiber Modem, Switching Hub, or the Internet through an external router.
LAN Connection: LAN port can be connected to a Switching Hub or directly to a PC. Users can use servers for monitoring or filtering through the port after
“Physical Port Mangement” configuration is done.
DMZ: DMZ port can be connected to servers that have legal IP addresses, such as Web servers, mail servers, etc..
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IV. Login VPN QoS Router
This chapter is a brief introduction of VPN QoS Router
’s Web-based UI after connecting.
First, check up VPN QoS Router IP address in PCs with LAN connection under its DOS
. Go Start → Run, enter cmd to commend DOS, and enter ipconfig for getting Default Gateway address, as the graphic below,
192.168.1.1. Make sure Default Gateway is also the default IP address of VPN QoS Router.
Attention!
When users cannot get IP addre ss and default gateway by using “ipconfig”, or the received IP address is 0.0.0.0 and 169.X.X.X, it is recommended that they should check if there is any problem with the circuits or the computer network card is connected nicely or not.
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Then, click the webpage browser, IE for example, and enter 192.168.1.1 in the website column. The login window will appear as below:
VPN QoS Router default username and password are both “admin”. Users can change the login password in the setting later.
Attention!
For security, we strongly suggest that users must change password after login. Make sure the password safe, or you can not login to VPN QoS Router. Press Reset button for more than 10 sec, all the settings will return to default.
After login, VPN QoS Router web-based UI will appear. Select the language on the upper right corner of the webpage. The language chosen will be in blue. Please select “English” as below.
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V. Device Spec Verification, Status Display and Login Password and Time Setting
This chapter introduces the device specification and status after login as well as change password and system time settings for security.
5.1 Home Page
In the Home page, all the device
’s parameters and status are listed for users’ reference.
5.1.1 WAN Status
IP Address：
Indicates the current IP configuration for WAN port.
Default Gateway： Indicates current WAN gateway IP address from ISP.
DNS Server：
Indicates the current DNS IP configuration.
Session：
Indicates the current session number for each WAN in the device.
Downstream
Bandwidth
Indicates the current downstream bandwidth usage(%) for each WAN.
Usage(%)：
Upstream
Bandwidth
Usage(%)：
DDNS：
Indicates the current upstream bandwidth usage(%) for each WAN.
Indicates if Dynamic Domain Name is activated. The defa ult configuration is “Off”.
Quality of
Service：
Indicates how many QoS rules are set.
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Manual Connect： When “Obtain an IP automatically” is selected, two buttons (Release and
Renew) will appear. If a WAN connection, such as PPPoE or PPTP, is selected,
“Disconnect” and “Connect” will appear.
DMZ IP Address：
Indicates the current DMZ IP address.
5.1.2 Physical Port Status
The status of all system ports, including each connected and enabled port, will be shown on this
Home page (see above table). Click the respective status button and a separate window will appeare to show detailed data (including setting status summary and statisitcs) of the selected port.
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The current port setting status information will be shown in the Port Information Table. Examples: type
(10Base-T/100Base-TX/1000Base-T), iniferface (WAN/ LAN/ DMZ), link status (Up/ Down), physical port status (Port Enabled/ Port Disabled), priority (high or normal), speed status (10Mbps or 100Mbps or
1000Mbps), duplex status (Half/ Full), auto negotiation (Enabled or Disabled). The tabble also shows statistics of Receive/ Transmit Packets, Receive/Transmit Packets Byte Count as well as Error Packets
Count.
5.1.3 System Information
Device IP Address/ Subnet Mask：Identifies the current device IP address and subnet mask. The default is 192.168.1.1 and 255.255.255.0
Working Mode：Indicates the current working mode. Can be Gateway or Router mode. The default is
“Gateway” mode.
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System active time: Indicates how long the device has been running.
Serial Number: This number is the device serial number.
Firmware Version：Information about the device present software version.
Current Time: Indicates the device present time
. Please note:
To have the correct time, users must synchronize the device with the remote NTP server first.
5.1.4 Firewall Status
SPI (Stateful Packet Inspection)： Indicates whether SPI (Stateful Packet Inspection) is on or off. The default configuration is “On”.
DoS (Denial of Service)：Indicates if DoS attack prevention is activated. The default configuration is
“On”.
Block WAN Request：Indicates that denying the connection from Internet is activated. The default configuration is “On”.
Prevent ARP Virus Attack：Indicates that preventing Arp virus attack is acitvated. The default configura tion is “Off”.
Remote Management: Indicates if remote management is activated (on or off). Click the hyperlink to enter and manage the configuration. The default configuration is “Off”.
Access Rule：Indicates the number of access rule applied in the device.
5.1.5 Log Setting Status
Syslog Server：
E-mail Alert：
Indicates if Syslog Server is Enabled or Disabled.
Indicates if Email Alert is Enabled or Disabled.
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5.2 Change and Set Login Password and Time
5.2.1 Password Setting
When you login the device setting window every time, you must enter the password. The default value for the device username and password are both “admin”. For security reasons, we strongly recommend that you must change your password after first login. Please keep the password safe, or you might not login to the device. You can press Reset button for more than 10 sec, the device will return back to default.
User Name：
Old Password：
New User Name：
New Password：
Confirm New
Password：
Apply：
The default is “admin”.
Input the original password.（The default is
“admin”.）
Input the new user name. i.e.Qno
Input the new password.
Input the new password again for verification.
Click
“Apply” to save the configuration.
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Cancel：
Enterprise Multi-WAN VPN QoS Router
Click
“Cancel" to leave without making any change. This action will be effective before ”Apply” to save the configuration.
5.2.2 Time
The device can adjust time setting. Users can know the exact time of event occurrences that are recorded in the System Log, and the time of closing or opening access for Internet resources. You can either select the embedded NTP Server synchronization function or set up a time reference.
Synchronize with external NTP server：The device has embedded NTP server, which will update the time spontaneously.
Time Zone：
Daylight Saving：
Select your location from the pull-down time zone list to show correct local time.
If there is Daylight Saving Time in your area, input the date range. The device will adjust the time for the Daylight Saving period automatically.
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External NTP Server：
Apply：
Cancel：
If you have your own preferred time server, input the server IP address.
After the changes are completed, click
“Apply” to save the configuration.
Click
“Cancel" to leave without making any change. This action will be effective before ”Apply” to save the configuration.
Select the Local Time Manually: Input the correct time, date, and year in the boxes.
After the changes are completed, click
“Apply” to save the configuration. Click “Cancel" to leave without making any change. This action will be effective before ”Apply” to save the configuration.
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VI. Network
This Network page contains the basic settings. For most users, completing this general setting is enough for connecting with the Internet. However, some users need advanced information from their ISP. Please refer to the following descriptions for specific configurations.
6.1 Network Connection
6.1.1 Host Name and Domain Name
Device name and domain name can be input in the two boxes. Though this configuration is not
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necessary in most environments, some ISPs in some countries may require it.
6.1.2 LAN Setting
This is configuration information for the device current LAN IP address. The default configuration is
192.168.1.1 and the default Subnet Mask is 255.255.255.0. It can be changed according to the actual network structure.
Multiple-Subnet Setting：
Click “Unified IP Management” to enter the configuration page, as shown in the following figure. Input the respective IP addresses and subnet masks.
This function enables users to input IP segments that differ from the router network segment to the multi-net segment configuration; the Internet will then be directly accessible. In other words, if there are already different IP segment groups in the Intranet, the Internet is still accessible without making any changes to internal PCs. Users can make changes according to their actual network structure.
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6.1.3 WAN & DMZ Settings
WAN Setting：
Enterprise Multi-WAN VPN QoS Router
Interface: An indication of which port is connected.
Connection Type: Obtain an IP automatically, Static IP connection, PPPoE (Point-to-Point Protocol over
Ethernet), PPTP (Point-to-Point Tunneling Protocol) or Transparent Bridge.
Config.: A modification in an advanced configuration: Click Edit to enter the advanced configuration page.
Obtain an Automatic IP automatically:
This mode is often used in the connection mode to obtain an automatic DHCP IP. This is the device system default connection mode. It is a connection mode in which DHCP clients obtain an IP address automatically. If having a different connection mode, please refer to the following introduction for selection of appropriate configurations. Users can also set up their own DNS IP address. Check the options and input the user-defined DNS IP addresses.
Use the following DNS Server
Select a user-defined DNS server IP address.
Addresses:
DNS Server:
Input the DNS IP address set by ISP. At least one IP group should be input. The maximum acceptable groups is two IP groups.
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After the changes are completed, click
“Apply” to save the configuration, or click “Cancel" to leave without making any changes.
Static IP
If an ISP issues a static IP (such as one IP or eight IP addresses, etc.), please select this connection mode and follow the steps below to input the IP numbers issued by an ISP into the relevant boxes.
WAN IP address:
Subnet Mask:
Default Gateway:
DNS Server:
Input the available static IP address issued by ISP.
Input the subnet mask of the static IP address issued by ISP, such as:
Issued eight static IP addresses: 255.255.255.248
Issued 16 static IP addresses: 255.255.255.240
Input the default gateway issued by ISP. For ADSL users, it is usually an
ATU-R IP address. As for optical fiber users, please input the optical fiber switching IP.
Input the DNS IP address issued by ISP. At least one IP group should be input.
The maximum acceptable is two IP groups.
After the changes are completed, click
“Apply” to save the configuration, or click “Cancel" to leave without making any changes.
PPPoE
This option is for an ADSL virtual dial-up connection (suitable for ADSL PPPoE). Input the user
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connection name and password issued by ISP. Then use the PPP Over-Ethernet software built into the device to connect with the Internet. If the PC has been installed with the PPPoE dialing software provided by ISP, remove it. This software will no longer be used for network connection.
User Name:
Password
Connect on Demand:
Keep Alive:
Input the user name issued by ISP.
Input the password issued by ISP.
This function enables the auto-dialing function to be used in a PPPoE dial connection. When the client port attempts to connect with the Internet, the device will automatically make a dial connection. If the line has been idle for a period of time, the system will break the connection automatically.
(The default time for automatic break-off resulting from no packet transmissions is five minutes).
This function enables the PPPoE dial connection to keep connected, and to automatically redial if the line is disconnected. It also enables a user to set up a time for redialing. The default is 30 seconds.
After the changes are completed, click
“Apply” to save the configuration, or click “Cancel" to leave without making any change.
PPTP
This option is for the PPTP time counting system. Input the user’s connection name and password issued by ISP, and use the built-in PPTP software to connect with the Internet.
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WAN IP Address:
Subnet Mask:
Default Gateway
Address:
User Name:
Password:
This option is to configure a static IP address. The IP address to be configured could be one issued by ISP. (The IP address is usually provided by the ISP when the PC is installed. Contact ISP for relevant information).
Input the subnet mask of the static IP address issued by ISP, such as:
Issued eight static IP addresses: 255.255.255.248
Issued 16 static IP addresses: 255.255.255.240
Input the default gateway of the static IP address issued by ISP. For ADSL users, it is usually an ATU-R IP address.
Input the user name issued by ISP.
Input the password issued by ISP.
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Connect on
Demand:
Keep Alive:
Enterprise Multi-WAN VPN QoS Router
This function enables the auto-dialing function to be used for a PPTP dial connection. When the client port attempts to connect with the Internet, the device will automatically connect with the default ISP auto dial connection; when the network has been idle for a period of time, the system will break the connection automatically. (The default time for automatic break off when no packets have been transmitted is five minutes).
This function enables the PPTP dial connection to redial automatically when the connection has been disconnected. Users can set up the redialing time. The default is 30 seconds.
After the changes are completed, click
“Apply” to save the configuration, or click “Cancel" to leave without making any changes.
Transparent Bridge
If all Intranet IP addresses are applied as Internet IP addresses
, and users don’t want to substitute private network IP addresses for all Intranet IP addresses (ex. 192.168.1.X), this function will enable users to integrate existing networks without changing the original structure. Select the Transparent Bridge mode for the WAN connection mode. In this way, users will be able to connect normally with the Internet while keeping the original Internet IP addresses in Intranet IP configuration.
If there are two WANs configured, users still can select Transparent Bridge mode for WAN connection mode, and load balancing will be achieved as usual.
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WAN IP Address:
Subnet Mask：
Default Gateway
Address：
DNS Server：
Internal LAN IP Range：
Input one of the static IP addresses issued by ISP.
Input the subnet mask of the static IP address issued by ISP, such as:
Issued eight static IP addresses: 255.255.255.248 Issued 16 static IP addresses: 255.255.255.240
Input the default gateway of the static IP address issued by ISP. For
ADSL users, it is usually an ATU-R IP address.
Input the DNS IP address set by ISP. At least one IP group should be input. The maximum acceptable is two IP groups.
Input the available IP range issued by ISP. If ISP issued two discontinuous IP address ranges, users can input them into Internal
LAN IP Range 1 and Internal LAN IP Range 2 respectively.
After the changes are completed, click
“Apply” to save the configuration, or click “Cancel" to leave without making any changes.
DMZ Setting
For some network environments, an independent DMZ port may be required to set up externally
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connected servers such as WEB and Mail servers. Therefore, the device supports a set of independent DMZ ports for users to set up connections for servers with real IP addresses. The DMZ ports act as bridges between the Internet and LANs.
IP address: Indicates the current default static IP address.
Config.: Indicates an advanced configuration modification: Click Edit to enter the advanced configuration page.
The DMZ configuration can be classified by Subnet and Range:
Subnet：
The DMZ and WAN located in different Subnets
For example: If the ISP issued 16 real IP addresses: 220.243.230.1-16 with Mask 255.255.255.240, users have to separate the 16 IP addresses into two groups: 220.243.230.1-8 with Mask 255.255.255.248, and 220.243.230.9-16 with Mask 255.255.255.248 and then set the device and the gateway in the same group with the other group in the DMZ.
Range：
DMZ and WAN within same Subnet
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Enterprise Multi-WAN VPN QoS Router
IP Range: Input the IP range located at the DMZ port.
After the changes are completed, click
“Apply” to save the configuration, or click “Cancel" to leave without making any changes.
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6.2 Multi- WAN Setting
6.2.1 Load Balance Mode
Enterprise Multi-WAN VPN QoS Router
Auto Load Balance Mode
When Auto Load Balance mode is selected, the device will use sessions or IP and the WAN bandwidth automatically allocate connections to achieve load balancing for external connections. The network bandwidth is set by what users input for it. For example, if the upload bandwidth of both WANs is 512Kbit/sec, the automatic load ratio will be 1:1; if one of the upload bandwidths is 1024Kbit/sec while the other is 512Kbit/sec, the automatic load ratio will be 2:1. Therefore, to ensure that the device can balance the actual network load, please input real upload and download bandwidths.
Session Balance:
If “By Session” is selected, the WAN bandwidth will automatically allocate connections based on session number to achieve network load balance.
IP Session Balance:
If “By IP” is selected, the WAN bandwidth will automatically allocate connections based on IP amount to achieve network load balance.
Note!
For either session balancing or IP connection balancing, collocation with Protocol Binding will provide a more flexible application for bandwidth. Users can assign a specific Intranet IP to go through a specific service provider for connection, or assign an IP for a specific destination to go through the WAN users assign to connect with the Internet.
For example, if users want to assign IP 192.168.1.100 to go through WAN 1 when connecting with the Internet, or assign all Intranet IP to go through WAN 2 when connecting with servers with port 80, or assign all Intranet IP to go through WAN 1 when connecting with IP 211.1.1.1, users can do that by configuring “Protocol Binding”.
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Attention! When the Auto Load Balance mode is collocated with Protocol Binding, only IP addresses or servers that are configured in the connection rule will follow the rule for external connections; those which are not configured in the rule will still follow the device Auto Load Balance system.
Please refer to the explanations in 6.2.3 Configuring Protocol Binding for setting up Protocol
Binding and for examples of collocating router modes with Protocol Binding.
Specify WAN Binding Mode
This mode enables users to assign specific intranet IP addresses, destination application service ports or destination IP addresses to go through an assigned WAN for external connection. After being assigned, the specific WAN will only support those assigned Intranet IP addresses, specific destination application service ports, or specific destination IP addresses. Intranet IP, specific destination application service ports and specific destination IP that is not configured under the rules will go through other WANs for external connection. For unassigned WANs, users can select Load Balance mode and select session or IP for load balancing.
●
●
Session Balance
: If “By Session” is selected, the WAN bandwidth will automatically allocate connections based on session number to achieve network load balance.
IP Balance
: If “By IP” is selected, the WAN bandwidth will automatically allocate connections based on the number of IP addresses to achieve network load balance.
Note!
Only when a device assignment is collocated with Protocol Binding can the balancing function be brought into full play. For example, an assignment requiring all Intranet IP addresses to go through WAN 1 when connecting with service port 80, or go through WAN 1 when connecting with
IP 211.1.1.1, must be set up in the Protocol Binding Configuration.
Attention: When assigning mode is selected, as in the above example, the IP(s) or service provider(s) configured in the connection rule will follow the rule for external connections, but those which are not configured in the rule will still follow the device Load Balance system to go through other WAN ports to connect with the Internet.
Please refer to the explanations in 6.2.3 Configuring Protocol Binding for setting up Protocol
Binding and for examples of collocating router mode with Protocol Binding.
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Strategy Routing Mode
If strategy Routing is selected, the device will automatically allocate external connections based on routing policy (Division of traffic between Telecom and Netcom is to be used in China) embedded in the device.
All you have to do is to select the WAN (or WAN group) which is connected with Netcom; the device will then automatically dispatch the traffic for Netcom through that WAN to connect with the Internet and dispatch traffic for Telecom to go through the WAN connected with Telecom to the Internet accordingly. In this way, the traffic for Netcom and Telecom can be divided.
Set WAN Grouping:
If more than one WAN is connected with Netcom, to apply a similar division of traffic policy to these
WANs, a combination for the WANs must be made. Click “Set WAN Grouping”; an interactive window as shown in the figure below will be displayed.
Name:
Interface:
Add To List:
To define a name for the WAN grouping in the box, such as
“Education” etc. The name is for recognizing different WAN groups.
Check the boxes for the WANs to be added into this combination.
To add a WAN group to the grouping list.
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Delete selected
Item:
Apply:
Close:
To remove selected WANs from the WAN grouping.
Click “Apply” to save the modification.
Click “Cancel” to cancel the modification. This only works before
“Apply” is clicked.
After the configuration is completed, in the China Netcom Policy window users can select WANs in combination to connect with Netcom.
Import Strategy:
A division of traffic policy c an be defined by users too. In the “Import Strategy” window, select the WAN or
WAN group (ex. WAN 1) to be assigned and click the “Import IP Range” button; the dialogue box for document importation will be displayed accordingly. A policy document is an editable text document. It may contain a destination IP users designated. After the path for document importation has been selected, click “Import”, and then at the bottom of the configuration window click “Apply”. The device will then dispatch the traffic to the assigned destination IP through the WAN (ex. WAN 1) or WAN grouping users designated to the Internet.
To build a policy document users can use a text-based editor, such as Notepad, which is included with
Windows system. Follow the text format in the figure below to key in the destination IP addresses users want to assign. For example, if the destination IP address range users want to designate is 140.115.1.1 ~
140.115.1.255, key in 140.115.1.1 ~ 140.115.1.255 in Notepad. The next destination IP address range should be keyed in the next line. Attention! Even if only one destination IP address is to be assigned, it should follow the same format. For example, if the destination IP address is 210.66.161.54, it should be keyed in as
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210.66.161.54~210.66.161.54. After the document has been saved (the extension file name is .txt), users can import the IP range of self-defined strategy.
Note!
China Netcom strategy and self-defined strategy can coexist. However, if a destination IP is assigned by both China Netcom strategy and self-defined strategy,
China Netcom strategy will take priority. In other words, traffic to that destination IP will be transmitted through the WAN (or WAN group) under China Netcom strategy.
6.2.2 Network Service Detection
This is a detection system for network external services. If this option is selected, information such
“Retry” or “Retry Timeout” will be displayed. If two WANs are used for external connection, be sure to activate the NSD system, so as to avoid any unwanted break caused by the device misjudgment of the overload traffic for the WAN.
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Interface:
Retry:
Retry Timeout:
When Fail:
Select the WAN Port that enables Network Service Detection.
This selects the retry times for network service detection. The default is five times. If there is no feedback from the Internet in the configured
“Retry Times", it will be judged as “External Connection Disconnected”.
Delay time for external connection detection latency. The default is 30 seconds. After the retry timeout, external service detection will restart.
(1) Generate the Error Condition in the System Log: If an ISP connection failure is detected, an error message will be recorded in the System Log. This line will not be removed; therefore, the some of the users on this line will not have normal connections.
This option is suitable under the condition that one of the WAN connections has failed; the traffic going through this WAN to the destination IP cannot shift to another WAN to reach the destination.
For example, if users want the traffic to 10.0.0.1 ~ 10.254.254.254 to go only through WAN1, while WAN2 is not to support these destinations, users should select this option. When the WAN1 connection is disconnected, packets for 10.0.0.1~10.254.254.254 cannot be transmitted through WAN 2, and there is no need to remove the connection when WAN 1 is disconnected.
(2) Keep System Log and Remove the Connection: If an ISP
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connection failure is detected, no error message will be recorded in the System Log. The packet transmitted through this WAN will be shifted to the other WAN automatically, and be shifted back again when the connection for the original WAN is repaired and reconnected.
This option is suitable when one of the WAN connections fails and the traffic going through this WAN to the destination IP should go through the other WAN to reach the destination. In this way, when any of the
WAN connections is broken, other WANs can serve as a backup; traffic can be shifted to a WAN that is still connected.
Detecting Feedback Servers:
Default Gateway:
The local default communication gateway location, such as the IP address of an ADSL router, will be input automatically by the device.
Therefore, users just need to check the option if this function is needed.
Attention! Some gateways of an ADSL network will not affect packet detection. If users have an optical fiber box, or the IP issued by ISP is a public IP and the gateway is located at the port of the net café rather than at the IP provider’s port, do not activate this option.
This is the detected location for the ISP port, such as the DNS IP
ISP Host: address of ISP. When configuring an IP address for this function, make sure this IP is capable of receiving feedback stably and speedily. (Please input the DNS IP of the ISP port)
This is the detected location for the remote Network Segment. This
Remote Host:
Remote Host IP should better be capable of receiving feedback stably and speedily. (Please input the DNS IP of the ISP port).
DNS Lookup Host:
This is the detect location for DNS. (Only a web address such as www.google.
com is acceptable here. Do not input an IP address.) In addition, do not input the same web address in this box for two different
WANs.
Note！
In the load balance mode for Assigned Routing, the first WAN port (WAN1) will be saved for the traffic of the IP addresses or the application service ports that are not assigned to other WANs (WAN2,
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WAN3, and WAN4). Therefore, in this mode, we recommend assigning one of the connections to the first WAN. When other WANs (WAN2, WAN3, or WAN4) are broken and connection error remove
(Remove the Connection) has been selected for the connection detection system, traffic will be shifted to the first WAN (WAN1). In addition, if the first WAN (WAN1) is broken, the traffic will be shifted to other
WANs in turn. For example, the traffic will be shifted to WAN2 first; if WAN2 is broken too, the traffic will be shifted to WAN3, and so on.
6.2.3 Protocol Binding
Bandwidth Configuration
When Auto Load Balance mode is selected, the device will select sessions or IP and the WAN bandwidth will automatically allocate connections to achieve load balancing for external connections. The network bandwidth is set by what users input for it. For example, if the upload bandwidth of both WANs is 512Kbit/sec, the automatic load ratio will be 1:1; if one of the upload bandwidths is 1024Kbit/sec, while the other is
512Kbit/sec, the automatic load ratio will be 2:1. Therefore, to ensure that the device can balance the actual network load, please input real upload and download bandwidths. The section refers to QoS configuration.
Therefore, it should be set in QoS page. Please refer to 8.1 QoS bandwidth configuration.
Protocol Binding
Users can define specific IP addresses or specific application service ports to go through a user-assigned
WAN for external connections. For any other unassigned IP addresses and services, WAN load balancing will still be carried out.
Note！
In the load balance mode of Assigned Routing, the first WAN (WAN1) cannot be assigned. It is to be saved for the IP addresses and the application Service Ports that are not assigned to other WANs
(WAN2, WAN3, and WAN4) for external connections. In other words, the first WAN (WAN1) cannot be configured with the Protocol Binding rule. This is to avoid a condition where all WANs are assigned to specific Intranet IP or Service Ports and destination IP, no more WAN ports will be available for other IP
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addresses and Service Ports.
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Service:
Source IP:
This is to select the Binding Service Port to be activated. The default (such as ALL-TCP&UDP 0~65535, WWW 80~80, FTP 21 to 21, etc.) can be selected from the pull-down option list. The default Service is All 0~65535.
Option List for Service Management: Click the button to enter the Service
Port configuration page to add or remove default Service Ports on the option list.
Users can assign packets of specific Intranet virtual IP to go through a specific WAN port for external connection. In the boxes here, input the
Intranet virtual IP address range; for example, if 192.168.1.100~150 is input, the binding range will be 100~150. If only specific Service Ports need to be designated, while specific IP designation is not necessary, input “0” in
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Destination IP:
Interface:
Enable:
Add To List:
Delete selected application:
Moving Up &
Down:
To activate the rule.
To add this rule to the list.
Enterprise Multi-WAN VPN QoS Router
the IP boxes.
In the boxes, input an external static IP address. For example, if connections to destination IP address 210.11.1.1 are to be restricted to
WAN1, the external static IP address 210.1.1.1 ~ 210.1.1.1 should be input.
If a range of destinations is to be assigned, input the range such as
210.11.1.1 ~ 210.11.255.254. This means the Class B Network Segment of
210.11.x.x will be restricted to a specific WAN. If only specific Service Ports need to be designated, while a specific IP destination assignment is not required, input “0” into the IP boxes.
Select the WAN for which users want to set up the binding rule.
To remove the rules selected from the Service List.
The priority for rule execution depends on the rule order in the list. A rule located at the top will be executed prior to those located below it. Users can arrange the order according to their priorities.
Note！
The rules configured in Protocol Binding will be executed by the device according to their priorities too. The higher up on the list, the higher the priority of execution.
Show Priority：
Click the “Show Table” button. A dialogue box as shown in the following figure will be displayed. Users can choose to sort the list by priorities or by interface. Click “Refresh” and the page will be refreshed; click
“Close” and the dialogue box will be closed.
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Add or Remove Service Port
If the Service Port users want to activate is not in the list, users can add or remove service ports from
“Service Management” to arrange the list, as described in the following：
Service Name:
Protocol:
Port range:
Add To List:
Delete selected
service:
Apply:
Cancel:
Exit:
In this box, input the name of the Service Port which users want to activate, such as BT, etc.
This option list is for selecting a packet format, such as TCP or
UDP for the Service Ports users want to activate.
In the boxes, input the range of Service Ports users want to add.
Click the button to add the configuration into the Services List.
Users can add up to 100 services into the list.
To remove the selected activated Services.
Click the “Apply” button to save the modification.
Click the
“Cancel” button to cancel the modification. This only works before
“Apply” is clicked.
To quit this configuration window.
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Auto Load Balancing mode when enabled：
The collocation of the Auto Load Balance Mode and the Auto Load Mode will enable more flexible use of bandwidth. Users can assign specific Intranet IP addresses to specific destination application service ports or assign specific destination IP addresses to a WAN users choose for external connections.
Example 1：How do I set up Auto Load Balance Mode to assign the Intranet IP 192.168.1.100 to WAN2 for the
Internet?
As in the figure below, select “All Traffic” from the pull-down option list “Service”, and then in the boxes of “Source IP” input the source IP address “192.168.1.100” to “100”. Retain the original numbers
“0.0.0.0” in the boxes of “Destination IP” (which means to include all Internet IP addresses). Select
WAN2 from the pulldown option list “Interface”, and then click “Enable”. Finally, click “Add New” and the rule will be added to the mode.
Example 2：How do I set up Auto Load Balance Mode to keep Intranet IP 192.168.1.150 ~ 200 from going through WAN2 when the destination port is Port 80?
As in the figure below, select “HTTP [TCP/80~80]” from the pull-down option list “Service”, and
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Enterprise Multi-WAN VPN QoS Router
then in the boxes for “Source IP” input “192.168.1.150” to “200”. Retain the original numbers “0.0.0.0” in the boxes of “Destination IP” (which means to include all Internet IP addresses). Select WAN2 from the pulldown option list “Interface”, and then click “Enable”. Finally, click “Add New” and the rule will be added to the mode.
Example 3：How do I set up Auto Load Balance Mode to keep all Intranet IP addresses from going through
WAN2 when the destination port is Port 80 and keep all other services from going through WAN1?
As in the figure below, there are two rules to be configured. The fi rst rule: select “HTTP
[TCP/80~80]” from the pull-down option list “Service”, and then in the boxes of Source IP input
“192.168.1.0” to “0” (which means to include all Intranet IP addresses). Retain the original numbers
“0.0.0.0” in the boxes of “Destination IP” (Which means to include all Internet IP addresses). Select
WAN2 from the pulldown option list “Interface”, and then click “Enable”. Finally, click “Add New” and the rule will be added to the mode. The device will transmit packets to Port 80 through WAN2. However, with only the above rule, packets that do not go to Port 80 may be transmitted through WAN2; therefore, a second rule is necessary. The second rule: Select “All Ports [TCP&UDP/1~65535]” from the pulldown option list “Service”, and then input “192.168.1.2 ~ 254” in the boxes of “Source IP”. Retain the original numbers “0.0.0.0” in the boxes of “Destination IP” (which means to include all Internet IP addresses). Select WAN1 from the pulldown option list “Interface”, and then click “Enable”. Finally, click “Add New” and the rule will be added to the mode. The device will transmit packets that are not going to Port 80 to the Internet through WAN1.
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Configuring “Assigned Routing Mode” for load Balance：
IP Group: This function allows users to assign packets from specific Intranet IP addresses or to specific destination Service Ports and to specific destination IP addresses through an assigned WAN to the Internet. After being assigned, the specific WAN will only support those assigned Intranet IP addresses, destination Service Ports, or destination IP addresses. Those which are not configured will go through other WANs for external connection. Only when this mode is collocated with “Assigned
Routing” can it bring the function into full play.
Example 1：How do I set up the Assigned Routing Mode to keep all Intranet IP addresses from going through WAN2 when the destination is Port 80, and keep all other services from going through WAN1?
As in the figure below, select “HTTP[TCP/80~80]” from the pull-down option list “Service”, and then in the boxes of “Source IP” input “192.168.1.0 ~ 0” (which means to include all Intranet IP addresses). Retain the original numbers “0.0.0.0” in the boxes of “Destination IP” (Which means to include all Internet IP addresses). Select WAN2 from the pulldown option list “Interface”, and then click
“Enable”. Finally, click “Add New” and the rule will be added to the mode. After the rule is set up, only packets that go to Port 80 will be transmitted through WAN2, while other traffics will be transmitted through WAN1.
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Example 2：How do I configure Protocol Binding to keep traffic from all Intranet IP addresses from going through WAN2 when the destinations are IP 211.1.1.1 ~ 211.254.254.254 as well as the whole Class A group of 60.1.1.1 ~ 60.254.254.254, while traffic to other destinations goes through WAN1?
As in the following figure, there are two rules to be configured. The first rule: Select “All Port
[TCP&UDP/1~65535]” from the pull-down option list “Service”, and then in the boxes of “Source IP” input “192.168.1.0 ~ 0” (which means to include all Intranet IP addresses). In the boxes for “Destination
IP” input “211.1.1.1 ~ 211.254.254.254”. Select WAN2 from the pull-down option list “Interface”, and then click “Enable”. Finally, click “Add New” and the rule will be added to the mode. The second rule:
Select “All Port [TCP&UDP/1~65535]” from the pull-down option list “Service”, and then in the boxes of
“Source IP” input “192.168.1.0 ~ 0” (which means to include all Intranet IP addresses). In the boxes of
“Destination IP” input “211.1.1.1 ~ 60,254,254,254”. Select WAN2 from the pull-down option list
“Interface”, and then click “Enable”. Finally, click “Add New”, and the rule will be added to the mode.
After the rule has been set up, all traffic that is not going to the assigned destinations will only be transmitted through WAN1.
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VII. Intranet Configuration
This chapter introduces how to configure ports and understand how to configure intranet IP addresses.
7.1 Setup
Through the device, users can easily manage the setup for WAN ports, LAN ports and the DMZ port by choosing the number of ports, speed, priority, duplex and enable/disable the auto-negotiation feature for connection setting of each port.
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Mirror Port：Users can configure LAN 1 as mirror port by choosing
“Enable Port 1 as Mirror Port”. All the traffic from LAN to WAN will be copied to mirror port. Administrator can control or filter the traffic through mirror port. Once this function is enabled, LAN 1 will be shown as Mirror Port in Physical Port Status, Home page.
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Disabled：
Priority：
Speed：
Duplex Status：
Auto Neg.：
VLAN：
VLAN All：
This feature allows users turn on/off the Ethernet port. If selected, the
Ethernet port will be shut down immediately and no connection can be made. The default value is "on".
This feature allows users to set the high/low priority of the packet delivery for the Ethernet port. If it is set as High, the port has the first priority to deliver the packet. The default value is “Normal”.
This feature allows users to select the network hardware connection speed for the Ethernet port. The options are 10Mbps and 100Mbps.
This feature allows users to select the network hardware connection speed working mode for the Ethernet. The options are full duplex and half duplex.
The Auto-Negotiation mode can enable each port to automatically adjust and gather the connection speed and duplex mode. Therefore, if Enabled
Auto-Neg. selected, the ports setup will be done without any manual setting by administrators.
This feature allows administrators to set the LAN port to be one or more disconnected network sessions. All of them will be able to log on to the
Internet through the device.
Members in the same network session (within the same VLAN) can see and communicate with each other. Members in different VLAN will not know the existence of other members.
Set VLAN All port to be the public area of VLAN so that it can be connected to other VLAN networks. A server should be constructed for the intranet so that all VLAN group can visit this server. Set one of the network ports as
VLAN All. Connect the server to VLAN All so that computers of different
VLAN groups can be connected to this server. Moreover, the port where the administrator locates must be set as VLAN All so that it can be connected to the entire network to facilitate network management.
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7.2 Port Status
Enterprise Multi-WAN VPN QoS Router
Summary：
There are Network Connection Type, Interface, Link Status (Up/Down), Port Activity (Port Enabled),
Priority Setting (High or Normal), Speed Status (10Mbps or 100Mbps or 1000Mbps), Duplex Status (half duplex or full duplex), Auto Neg. (Enabled/Disabled), and VLAN.
Statistics：
The packet data of this specific port will be displayed. Data include receive/ transmit packet count,
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receive/ transmit packet Byte count and error packet count. Users may press the refresh button to update all real-time messages.
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7.3 IP/ DHCP
With an embedded DHCP server, it supports automatic IP assignation for LAN computers. (This function is similar to the DHCP service in NT servers.) It benefits users by freeing them from the inconvenience of recording and configuring IP addresses for each PC respectively. When a computer is turned on, it will acquire an IP address from the device automatically. This function is to make management easier.
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Dynamic IP：
Client lease Time： Check the option to activate the DHCP server automatic IP lease function. If the function is activated, all PCs will be able to acquire IP automatically. Otherwise, users should configure static virtual IP for each
PC individually.
Range Start：
Range End：
This is to set up a lease time for the IP address which is acquired by a
PC. The default is 1440 minutes (a day). Users can change it according to their needs. The time unit is minute.
This is an initial IP automatically leased by DHCP. It means DHCP will start the lease from this IP. The default initial IP is 192.168.1.100.
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DNS (Domain Name Service)：
This is for checking the DNS from which an IP address has been leased to a PC port. Input the IP address of this server directly.
DNS (Required) 1：
DNS (Optional) 2：
WINS：
Input the IP address of the DNS server.
Input the IP address of the DNS server.
If there is a WIN server in the network, users can input the IP address of that server directly.
WINS Server：
Apply：
Cancel：
Input the IP address of WINS.
Click
Click
“Apply” to save the network configuration modification.
“Cancel" to leave without making any changes.
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7.4 DHCP Status
This is an indication list of the current status and setup record of the DHCP server. The indications are for the administrator’s reference when a network modification is needed.
DHCP Server：
Dynamic IP Used：
Static IP Used：
DHCP Available：
Total：
Host Name：
This is the current DHCP IP.
The amount of dynamic IP leased by DHCP.
The amount of static IP assigned by DHCP.
The amount of IP still available in the DHCP server.
The total IP which the DHCP server is configured to lease.
The name of the current computer.
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IP Address：
MAC Address：
Client Lease Time：
Delete：
Enterprise Multi-WAN VPN QoS Router
The IP address acquired by the current computer.
The actual MAC network location of the current computer.
The lease time of the IP released by DHCP.
Remove a record of an IP lease.
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7.5 IP & MAC Binding
Administrators can apply IP & MAC Binding function to make sure that users can not add extra PCs for
Internet access or change private IP addresses.
There are two methods for setting up this function：
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Block MAC address not on the list
This method only allows MAC addresses on the list to receive IP addresses from DHCP and have Internet access. When this method is applied, please fill out Static IP with 0.0.0.0, as the figure below：
IP & MAC Binding
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Static IP：
MAC Address：
There are two ways to input static IP:
1. If users want to set up a MAC address to acquire IP from
DHCP, but the IP need not be a specific assigned IP, input 0.0.0.0 in the boxes. The boxes cannot be left empty.
2. If users want DHCP to assign a static IP for a PC every single time, users should input the IP address users want to assign to this computer in the boxes. The server or PC which is to be bound will then acquire a static virtual IP whenever it restarts.
Input the static real MAC (the address on the network card) for the server or PC which is to be bound.
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Name：
Enabled：
Add to list：
Delete selected item：
Add：
For distinguishing clients, input the name or address of the client that is to be bound. The maximum acceptable characters are 12.
Activate this configuration.
Add the configuration or modification to the list.
Remove the selected binding from the list.
Add new binding.
Block MAC address on the list with wrong IP address： When this option is activated, MAC addresses which are not included in the list will not be able to connect with the Internet.
Show New IP user：
This function can reduce administrator’s effort on checking MAC addresses one by one for the binding.
Furthermore, it is easy to make mistakes to fill out MAC addresses on the list manually. By checking this list, administrator can see all MAC addresses which have traffic and are not bound yet. Also, if administrators find that one specific bound MAC address is shown on the list, it means that the user changes the private IP address.
Name：
Enabled：
Apply：
Select All：
Refresh：
Close：
Input the name or address of the client that is to be bound. The maximum acceptable characters are 12.
Choose the item to be bound.
Activate the configuration.
Choose all items on the list for binding.
Refresh the list.
Close the list.
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7.6 IP Grouping
The function enables users to make the same configuration for a range of continuous IP addresses in the network. For example, if an IP range (192.168.1.100~192.168.1.110) has been assigned to a department of a company, we can bind all the IP addresses together and make an accessing rule configuration for them all at the same time, instead of configuring each IP respectively, which takes more time and is more prone to error.
IP Group：
Add Group：
Delete Group：
Group Name：
Select a group to which the modification is to be made.
Click Add Group to crate a new IP group.
Delete the chosen IP group.
Input or change the name for the group.
IP Address： Input the assigned IP range.
Add to list：
Add the configuration or modification to the list.
Delete selected item：
Remove the selected binding from the list.
Apply：
Click
“Apply” to save the network configuration modification
Cancel：
Click
“Cancel" to leave without making any changes.
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VIII. QoS (Quality of Service)
QoS is an abbreviation for Quality of Service. The main function is to restrict bandwidth usage for some services and IP addresses to save bandwidth or provide priority to specific applications or services, and also to enable other users to share bandwidth, as well as to ensure stable and reliable network transmission. To maximize the bandwidth efficiency, network administrators should take account of the practical requirements of a company, a community, a building, or a café , etc., and modify bandwidth management according to the network environment, application processes or services.
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8.1 Bandwidth Management
Enterprise Multi-WAN VPN QoS Router
8.1.1 The Maximum Bandwidth provided by ISP
In the boxes for WAN1 and WAN2 bandwidth, input the upstream and downstream bandwidth
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Enterprise Multi-WAN VPN QoS Router
which users applied for from bandwidth supplier. The bandwidth QoS will make calculations according to the data users input. In other words, it will guarantee a minimum rate of upstream and downstream for each IP and Service Port based on the total actual bandwidth of WAN1 and WAN2. For example, if the upstream bandwidths of both WAN1 and WAN2 are 512Kbit/Sec, the total upstream bandwidth will be: WAN1 + WAN2 = 1024Kbit/Sec. Therefore, if there are 50 IP addresses in the Intranet, the minimum guaranteed upstream bandwidth for each IP would be 1024Kbit/50=20Kbit/Sec. Thus,
20Kbit/Sec can be input for “Mini. Rate” Downstream bandwidth can be calculated in the same way.
Attention！
The unit of calculation in this example is Kbit. Some software indicates the downstream/upstream speed with the unit KB. 1KB = 8Kbit.
8.1.2 QoS
To satisfy the bandwidth requirements of certain users, the device enables users to set up QoS: Rate
Control and Priority Control. Users can select only one of the above QoS choices.
Rate Control：
The network administrator can set up bandwidth or usage limitations for each IP or IP range according to the actual bandwidth. The network administrator can also set bandwidth control for certain Service
Ports. A guarantee bandwidth control for external connections can also be configured if there is an internal server.
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Enterprise Multi-WAN VPN QoS Router
Interface：
Service Port：
Select on which WAN the QoS rule should be executed. It can be a single selection or multiple selections.
Select what bandwidth control is to be configured in the QoS rule. If the bandwidth for all services of each IP is to be controlled, select “All (TCP&UDP)
1~65535”. If only FTP uploads or downloads need to be controlled, select
“FTP Port 21~21”. Refer to the Default Service Port Number List.
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Enterprise Multi-WAN VPN QoS Router
IP Address：
Direction：
This is to select which user is to be controlled. If only a single IP is to be restricted, input this IP address, such as “192.168.1.100 to 100”. The rule will control only the IP 192.168.1.100. If an IP range is to be controlled, input the range, such as “192.168.1.100 ~ 150”. The rule will control IP addresses from
192.168.1.100 to 150. If all Intranet users that connect with the device are to be controlled, input “0” in the boxes of IP address. This means all Intranet IP addresses will be restricted. QoS can also control the range of Class B.
Upstream: Means the upload bandwidth for Intranet IP.
Downstream: Means the download bandwidth for Intranet IP.
Server in LAN, Upstream: If a Server for external connection has been built in the device, this option is to control the bandwidth for the traffic coming from outside to this Server.
Server in LAN, Downstream: If there are web sites built in the Intranet, this option is to control the upload bandwidth for the connections from outside to this Server. For example, game servers have been built in many Internet cafés. This rule can be used to control the bandwidth for connections from
Min. & Max.
Rate： (Kbit/Sec) outside to the game server of a café to update data. In this way, game players inside the café will not be affected.
The minimum bandwidth: The rule is to guarantee minimum available bandwidth.
The maximum bandwidth: This rule is to restrict maximum available bandwidth. The maximum bandwidth will not exceed the limit set up under this rule.
Attention! The unit of calculation used in this rule is Kbit. Some software indicates download/upload speed by the unit KB. 1KB = 8Kbit.
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Enterprise Multi-WAN VPN QoS Router
Bandwidth sharing
：
Sharing total bandwidth with all IP addresses: If this option is selected, all IP addresses or Service Ports will share the bandwidth range (from minimum to maximum bandwidth).
Assign bandwidth for each IP address: If this option is selected, every IP or
Service Port in this range can have this bandwidth (minimum to maximum).
For example, If the rule is set for the IP of each PC, the IP of each PC will have the same bandwidth.
Attention: If “Share-Bandwidth” is selected, be aware of the actual usage conditions and avoid an improper configuration that might cause a malfunction of the network when the bandwidth is too small. For example, if users do not want an FTP to occupy too much bandwidth, users can select the
“Share-Bandwidth Mode”, so that no matter how much users use FTPs to download information, the total occupied bandwidth is fixed.
Enable：
Activate the rule.
Add to list：
Add this rule to the list.
Move up & Move
down：
QoS rules will be executed from the bottom of the list to the top of the list. In other words, the lower down the list, the higher the priority of execution. Users can arrange the sequence according to their priorities. Usually the service ports which need to be restricted, such as BT, e-mule, etc., will be moved to the bottom of the list. The rules for certain IP addresses would then be moved upward.
Delete selected
items：
Show Table：
Remove the rules selected from the Service List.
Apply：
Display all the Rate Control Rules users made for the bandwidth. Click
“Edit” to modify.
Click
“Apply” to save the configuration
Cancel：
Click
“Cancel" to leave without making any change.
Show Table：
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8.2 Session control
Session management controls the acceptable maximum simultaneous sessions of Intranet PCs.
This function is very useful for managing connection quantity when P2P software such as BT, Thunder, or emule is used in the Intranet causing large numbers of sessions. Setting up proper limitations on sessions can effectively control the sessions created by P2P software. It will also have a limiting effect on bandwidth usage.
In addition, if any Intranet PC is attacked by a virus like Worm.Blaster and sends a huge number of session requests, session control will restrict that as well.
Session Control and Scheduling：
Disabled： Disable Session Control function.
This option enables the restriction of maximum external sessions to each
Single IP cannot
exceed __ session：
Intranet PC. When the number of external sessions reaches the limit, to allow new sessions to be built, some of the existing sessions must be closed. For example, when BT or P2P is being used to download information and the sessions exceed the limit, the user will be unable to connect with other services until either BT or P2P is closed.
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When single IP
exceed __：
If this function is selected, when the user’s port session reach the limit, this user will not be able to make a new session for five minutes. Even if the previous session has been closed, new sessions cannot be made until the setting time ends.
Scheduling：
If this function is selected, when the user’s port connections reach the limit, all the lines that this user is connected with will be removed, and the user will not be able to connect with the Internet for five minutes. New connections cannot be made until the delay time ends.
If “Always” is selected, the rule will be executed around the clock.
If “From…” is selected, the rule will be executed according to the
Apply：
Cancel： configured time range. For example, if the time control is from Monday to
Friday, 8:00am to 6:00pm, users can refer to the following figure to set up the rule.
Click
“Apply” to save the configuration.
Click
“Cancel" to leave without making any change.
Exempted Service Port or IP Address
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Enterprise Multi-WAN VPN QoS Router
Service Port：
Choose the service port.
IP Address：
Input the IP address range or IP group.
Enabled：
Activate the rule.
Add to list：
Add this rule to the list.
Delete seleted item： Remove the rules selected from the Service List.
Apply：
Click
“Apply” to save the configuration.
Cancel：
Click
“Cancel" to leave without making any change.
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8.3 Smart QoS
The smart QoS function enables the administrators to constrain the bandwidth occupied automatically without any configuring.
Enabled Smart Qos
When the usage of any WAN's bandwith is over than __ %, Enable Smart Qos(0:
Always Enabled)
Each IP's downstream bandwidth threshold(for all WAN)
If any IP's bandwith is over maximum threshold, its maximum bandwidth will remain
WAN1:__kbit/sec WAN2:__kbit/sec
WAN3:__kbit/sec WAN4:__kbit/sec
Enabled Penalty Mechanism
To activate the Smart QoS function.
When the usage of any WAN's bandwith is over than __
%, Smart QoS will be enabled. You can enter the needed value, the default is 60%.
Input the allowed maximum threshold.
If any IP's bandwith is over maximum threshold, the penalty mechanism will be activated. After being punished, its maximum upstream/downstream bandwidth will remain as a determined value.
To activate the penalty mechanism.
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IX. Firewall
This chapter introduces firewall general policy, access rule, and content filter settings to ensure network security.
9.1 General Policy
The firewall is enabled by default. If the firewall is set as disabled, features such as SPI, DoS, and outbound packet responses will be turned off automatically. Meanwhile, the remote management feature will be activated. The network access rules and content filter will be turned off.
Firewall： This feature allows users to turn on/off the firewall.
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SPI (Stateful Packet
Inspection)：
This enables the packet automatic authentication detection technology.
The Firewall operates mainly at the network layer. By executing the dynamic authentication for each connection, it will also perform an alarming function for application procedure. Meanwhile, the packet authentication firewall may decline the connections which use non-standard communication protocol.
DoS (Denial of
Service)：
Block WAN request：
This averts DoS attacks such as SYN Flooding, Smurf, LAND, Ping of
Death, IP Spoofing and so on.
If set as Enabled, then it will shut down outbound ICMP and abnormal packet responses in connection. If users try to ping the WAN IP from the external, this will not work because the default value is set as activated in order to decline the outbound responses.
Remote Management：
To enter the device web- based UI by connecting to the remote Internet, this feature must be activated. In the field of remote browser IP, a valid external IP address (WAN IP) for the device should be filled in and the modifiable default control port should be adjusted (the default is set to
80, modifiable).
Multicast Pass
Through：
There are many audio and visual streaming media on the network.
Broadcasting may allow the client end to receive this type of packet message format. This feature is off by default.
Prevent ARP Virus
Attack：
This feature is designed to prevent the intranet from being attacked by
ARP spoofing, causing the connection failure of the PC. This ARP virus cheat mostly occurs in Internet cafes. When attacked, all the online computers disconnect immediately or some computers fail to go online.
Activating this feature may prevent the attack by this type of virus.
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Advanced Setting
Enterprise Multi-WAN VPN QoS Router
Exempted Source IP：
Packet Type: This device provides three types of data packet transmission: TCP-SYN-Flood, UDP-Flood and ICMP-Flood.
WAN Threshold: When all packet values from external attack or from single external IP attack reach the maximum amount (the default is
15000 packets/Sec and 2000 packets/Sec respectively), if these conditions above occurs, the IP will be blocked for 5 minutes ( the default is 5 minutes OBJ 176 ). Users can adjust the threshold value and the blocking duration to effectively deal with external attack. The threshold value should be adjusted from high to low.
LAN Threshold: When all packet values from internal attack or from single internal IP attack reach the maximum amount (the default is
15000 packets/Sec and 2000 packets/Sec respectively), if these conditions above occurs, the IP will be blocked for 5 minutes (the default is 5 minutes). Users can adjust the threshold value and the blocking duration to effectively deal with external attack. The threshold value should be adjusted from high to low.
Input the exempted source IP.
Exempted Dest. IP：
Input the exempted Destination IP addresses.
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Show Blocked IP：
Enterprise Multi-WAN VPN QoS Router
Restricted WEB
Features：
Don’t Block Java /
ActiveX / Cookies
Proxy to Trusted
Domain：
Apply：
Cancel：
Show the blocked IP list and the remained blocked time.
It supports the block that is connected through: Java, Cookies, Active X, and HTTP Proxy access.
If this option is activated, users can add trusted network or IP address into the trust domain, and it will not block items such as Java/ActiveX/Cookies contained in the web pages from the trust domains.
Click
“Apply” to save the configuration.
Click
“Cancel" to leave without making any change.
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9.2 Restrict Application
Users can check QQ and the device will block the service users checked. However, to provide this service for certain IP address in the intranet, users may check the following item and then enter the specific IP address or IP address session to use the services which are checked above.
In addition, if Blocked QQ is activated, users can set the exempted QQ number list. Press
“Exempted QQ Number” button, and enter the QQ number into the exempted QQ number list.
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User Name：
Exempted QQ Number：
Add to list：
Input the information of the QQ number, etc.
Input the number.
Add the number to the list.
Delete selected item：
Delete the selected rule in the list.
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9.3 Access Rule
Users may turn on/off the setting to permit or forbid any packet to access internet. Users may select to set different network access rules: from internal to external or from external to internal. Users may set different packets for IP address and communication port numbers to filter Internet access rules.
Network access rule follows IP address, destination IP address, and IP communications protocol status to manage the network packet traffic and make sure whether their access is allowed by the firewall.
The device has a user-friendly network access regulatory tool. Users may define network access rules. They can select to enable/ disable the network so as to protect all internet access. The following describes the internet access rules:
All traffic from the LAN to the WAN is allowed - by default.
All traffic from the WAN to the LAN is denied - by default.
All traffic from the LAN to the DMZ is allowed - by default.
All traffic from the DMZ to the LAN is denied - by default.
All traffic from the WAN to the DMZ is allowed - by default.
All traffic from the DMZ to the WAN is allowed - by default.
Users may define access rules and do more than the default rules. However, the following four extra service items are always on and are not affected by other user-defined settings.
* HTTP Service (from LAN to Device) is on by default (for management)
* DHCP Service (from LAN to Device) is set to on by default (for the automatic IP retrieval)
* DNS Service (from LAN to Device) is on by default (for DNS service analysis)
* Ping Service (from LAN to Device) is on by default (for connection and test)
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Enterprise Multi-WAN VPN QoS Router
In addition to the default rules, all the network access rules will be displayed as illustrated above. Users may follow or self- define the priority of each network access rule. The device will follow the rule priorities one by one, so please make sure the priority for all the rules can suit the setting rules.
Edit：
Define the network access rule item
Delete：
Remove the item.
Add New Rule：
Create a new network access rule
Restore to Default Rule： Restore all settings to the default values and delete all the self-defined settings.
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9.3.2 Add New Access Rule
Enterprise Multi-WAN VPN QoS Router
Action： Allow: Permits the pass of packets compliant with this control rule
Service：
Log： give permission.
Service Management： If the service that users wish to manage does not exist in the drop-down menu, press
– Service Management to add the new service.
From the pop-up window, enter a service name and communications protocol and port, and then click the “Add to list” button to add the new service.
No Log： There will be no log record.
Create Log when matched： Event will be recorded in the log.
Source Interface：
Deny: Prevents the pass of packets not compliant with this control rule
From the drop-down menu, select the service that users grant or do not
Source IP：
Select the source port whether users are permitted or not (for example:
LAN, WAN1, WAN2 or Any). Select from the drop-down menu.
Select the source IP range (for example: Any, Single, Range, or preset IP group name). If Single or Range is selected, please enter a single IP address or an IP address within a session.
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Dest. IP：
Scheduling：
Apply this rule：
… to … ：
Day Control：
Apply：
Cancel：
Enterprise Multi-WAN VPN QoS Router
Select the destination IP range (such as Any, Single, Range, or preset IP group name) If Single or Range is selected; please enter a single IP address or an IP address within a session.
Select
“Always” to apply the rule on a round-the-clock basis. Select
“from”, and the operation will run according to the defined time.
Select "Always" to apply the rule on a round-the-clock basis.
If “From” is selected, the activation time is introduced as below
This control rule has time limitation. The setting method is in 24-hour format, such as 08:00 ~ 18:00 (8 a.m. to 6 p.m.)
”Everyday” means this period of time will be under control everyday. If users only certain days of a week should be under control, users may select the desired days directly.
Click
“Apply” to save the configuration.
Click
“Cancel" to leave without making any change.
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9.4 Content Filter
The device supports two webpage restriction modes: one is to block certain forbidden domains, and the other is to give access to certain web pages. Only one of these two modes can be selected.
Block Forbidden Domain
Fill in the complete website such as www.sex.com to have it blocked.
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Add：
Add to list：
Delete selected item：
Enter the websites to be controlled such as www.playboy.com
Click ”Add to list” to create a new website to be controlled.
Click to select one or more controlled websites and click this option to delete.
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Website Blocking by Keywords：
Enterprise Multi-WAN VPN QoS Router
Enabled： Click to activate this feature. The default setting is disabled.
For example: If users enter the string ”sex”, any websites containing ”sex” will be blocked.
Enter keywords.
Keywords（Only for English
Add to List：
Delete selected item：
Apply：
Cancel：
Add this new service item content to the list.
Delete the service item content from the list
Click “Apply” to save the modified parameters.
Click “Cancel” to cancel all the changes made to the parameters.
Accept Allowed Domains
In some companies or schools, employees and students are only allowed to access some specific websites. This is the purpose of the function.
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Enabled：
Add：
Add to list：
Delete selected item：
Activate the function
. The default setting is “Disabled.”
Input the allowed domain name, etc. www.google.com
Add the rule to list.
Users can select one or more rules and click to delete.
Content Filter Scheduling
Select
“Always” to apply the rule on a round-the-clock basis. Select “from”, and the operation will run according to the defined time. For example, if the control time runs from 8 a.m. to 6 p.m., Monday to
Friday, users may control the operation according to the following illustrated example.
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Always：
Select
“Always” to apply the rule on a round-the-clock basis. Select “from”, and the operation will run according to the defined time.
…to…：
Select "Always" to apply the rule on a round-the-clock basis.
If “From” is selected, the activation time is introduced as below
Day Control： This control rule has time limitation. The setting method is in 24-hour format, such as
08:00 ~ 18:00 (8 a.m. to 6 p.m.)
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X. VPN (Virtual Private Network)
10.1. VPN
Enterprise Multi-WAN VPN QoS Router
10.1.1. Display All VPN Summary
This VPN Summary displays the real-time data with regard to VPN status.
Detail： Push this button to display the following information with regard to all current VPN configurations to facilitate VPN connection management.
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Tunnel Status：
The following describes VPN Tunnel Status, the current status of VPN tunnel in detail：
Previous Page/Next
Page, Jump to __/__
Page, __ Entries Per
Page
Click Previous page or Next page to view the desired VPN tunnel page. Or users can select the page number directly to view all VPN tunnel statuses, such as 3, 5, 10, 20 or All.
Tunnel No.
Status：
To set the embedded VPN feature, please select the tunnel number. It supports up to 300 IPSec VPN tunnel Setting (gateway to gateway as well as client to gateway).
Successful connection is indicated as-(Connected).
Failing hostname resolution is indicated as - (Hostname Resolution
Failed).
Resolving hostname is indicated as -(Resolving Hostname)
Waiting to be connected is indicated as - (Waiting for Connection).
If users select Manual setting for IPSec setup, the status message will display as “Manual” and there is no Tunnel test function available for this manual setting.
Name：
Displays the current VPN tunnel connection name, such as XXX
Office. Users are well-advised to give them different names to avoid confusion should users have more than one tunnel settings.
Note: If this tunnel is to be connected to other VPN device (not this device), some device requires that the tunnel name is identical to the
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Enterprise Multi-WAN VPN QoS Router
name of the host end to facilitate verification. This tunnel can thus be successfully enabled.
Phase2
Encrypt/Auth/Group：
Displays settings such as encryption (DES/3DES), authentication
(MD5/SHA1) and Group (1/2/5).
If users select Manual setting for IPSec, Phase 2 DH group will not display.
Local Group：
Remote Group：
Remote Gateway：
Displays the setting for VPN connection secure group of the local end.
Displays the setting for remote VPN connection secure group.
Control：
Config：
Set the IP address to connect the remote VPN device. Please set the
VPN device with a valid IP address or domain name.
Click
“Connect” to verify the tunnel status. The test result will be updated. To disconnect, click
“Disconnect” to stop the VPN connection.
Setting items include Edit and Delete icon.
Click on Edit to enter the setting items and users may change the settings. Click on the trash bin icon and all the tunnel settings will be deleted.
__ Tunnel(s) Enabled:
This displays how many tunnels are enabled and how many tunnels are set.
__ Tunnel(s) Defined:
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10.1.2. Add a New VPN Tunnel
The device supports Gateway to Gateway tunnel or Client to Gateway tunnel.
The VPN tunnel connections are done by 2 VPN devices via the Internet. When a new tunnel is added, the setting page for Gateway to Gateway or Client to Gateway will be displayed.
Gateway to Gateway：
Click “Add” to enter the setting page of Gateway to Gateway.
Client to Gateway：
Click “Add” to enter the setting page of Client to Gateway.
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10.1.2.1. Gateway to Gateway Setting
Enterprise Multi-WAN VPN QoS Router
The following instructions will guide users to set a VPN tunnel between two devices.
Tunnel No.： Set the embedded VPN feature, please select the Tunnel number.
Tunnel Name：
Displays the current VPN tunnel connection name, such as XXX Office. Users are well-advised to give them different names to avoid confusion.
Note: If this tunnel is to be connected to the other VPN device, some device requires that the tunnel name is identical to the name of the host end to facilitate verification. This tunnel can thus be successfully enabled.
Interface： From the pull-down menu, users can select the Interface for this VPN tunnel.
Enabled：
Click to activate the VPN tunnel. This option is set to activate by default.
Afterwards, users may select to activate this tunnel feature.
Local Group Setup：
This Local Security Gateway Type must be identical with that of the remote type (Remote Security
Gateway Type).
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Local Security
GatewayType：
Enterprise Multi-WAN VPN QoS Router
This local gateway authentication type comes with five operation modes, which are:
IP only IP + Domain Name (FQDN) Authentication
IP + E-mail Addr. (USER FQDN) Authentication
Dynamic IP + Domain Name (FQDN) Authentication
Dynamic IP + E-mail Addr. (USER FQDN) Authentication.
Dynamic IP address + Email address name
(1) IP only:
If users decide to use IP only, entering the IP address is the only way to gain access to this tunnel. The WAN IP address will be automatically filled into this space. Users don't need to do further settings.
(2) IP + Domain Name(FQDN) Authentication:
If users select IP + domain name type, please enter the domain name and IP address. The WAN IP address will be automatically filled into this space. Users don't need to do further settings. FQDN refers to the combination of host name and domain name and can be retrieved from the Internet, i.e. vpn.server.com. This IP address and domain name must be identical to those of the VPN secure gateway setting type to establish successful connection.
(3) IP + E-mail Addr. (USER FQDN) Authentication.
If users select IP address and E-mail, enter the IP address and E-mail address to gain access to this tunnel and the WAN IP address will be automatically filled into this space. Users don't need to do further settings.
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(4) Dynamic IP + Domain Name(FQDN) Authentication:
If users use dynamic IP address to connect to the device, users may select this option to link to VPN. If the remote VPN gateway requires connection to the device for VPN connection, this device will start authentication and respond to this VPN tunnel connection; if users select this option to link to VPN, please enter the domain name.
(5) Dynamic IP + E-mail Addr. (USER FQDN) Authentication.
If users use dynamic IP address to connect to the device, users may select this option to connect to VPN without entering IP address.
When VPN Gateway requires for VPN connection, the device will start authentication and respond to VPN tunnel connection; If users select this option to link to VPN, enter E-Mail address to the empty field for
E-Mail authentication.
Local Security Group
Type：
This option allows users to set the local VPN connection access type.
The following offers a few items for local settings. Please select and set appropriate parameters:
1. IP address
This option allows the only IP address which is entered to build the VPN tunnel.
Reference: When this VPN tunnel is connected, computers with the
IP address of 192.168.1.0 can establish connection.
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Remote Group Setup：
Enterprise Multi-WAN VPN QoS Router
2. Subnet
This option allows local computers in this subnet can be connected to the VPN tunnel.
Reference: When this VPN tunnel is connected, only computers with the session of 192.168.1.0 and with subnet mask as 255.255.255.0 can connect with remote VPN.
3. IP Range
This option allows connection only when IP address range which is entered after the VPN tunnel is connected.
Reference: When this VPN tunnel is connected, computers with the IP address of 192.168.1.0 ~254 can establish connection.
This remote gateway authentication type (Remote Security Gateway Type) must be identical to the remotely-connected local security gateway authentication type (Local Security Gateway Type).
Remote Security Gateway
Type：
This remote gateway authentication type comes with five operation modes, which are:
IP only-Authentication by use of IP only
IP + Domain Name (FQDN) Authentication, -IP + Domain name
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IP + E-mail Addr. (USER FQDN) Authentication, -IP + Email address
Dynamic IP + Domain Name (FQDN) Authentication, -Dynamic IP address + Domain name
Dynamic IP + E-mail Addr. (USER FQDN) Authentication.
Dynamic IP address + Email address name
(1) IP only:
If users select the IP Only type, entering this IP allows users to gain access to this tunnel.
If the IP address of the remote client is unknown, choose IP by DNS
Resolved, allowing DNS to translate IP address. When users finish the setting, the corresponding IP address will be displayed under the remote gateway of Summary.
(2) IP + Domain Name(FQDN) Authentication:
If users select IP + domain name, please enter IP address and the domain name to be verified. FQDN refers to the combination of host name and domain name. Users may enter any name that corresponds to the domain name of FQDN. This IP address and domain name must be identical to those of the remote VPN security gateway setting type to establish successful connection.
If the remote IP address is unknown, choose IP by DNS Resolved, allowing DNS to translate the IP address. This domain name must be available on the Internet. When users finish the setting, the corresponding IP address will be displayed under the remote gateway of Summary.
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(3) IP + E-mail Addr. (USER FQDN) Authentication:
If users select IP address and E-mail type, entering the IP address and the E-mail allows users to gain access to this tunnel.
If the remote IP address is unknown, choose IP by DNS Resolved, allowing DNS to translated the IP address. This domain name must be available on the Internet. When users finish the setting, the corresponding IP address will be displayed under the remote gateway of Summary.
(4) Dynamic IP + Domain Name(FQDN) Authentication:
If users use dynamic IP address to connect with the device, users may select the combination of the dynamic IP address, host name and domain name.
(5) Dynamic IP + E-mail Addr. (USER FQDN) Authentication.
If users use dynamic IP address to connect with the device, users may select this type to link to VPN. When the remote VPN gateway requires connection to facilitate VPN connection, the device will start authentication and respond to the VPN tunnel connection; Please enter the E-Mail to the empty space.
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Remote Security Group
Type：
This option allows users to set the remote VPN connection access type. The following offers a few items for remote settings. Please select and set appropriate parameters:
(1) IP address
This option allows the only IP address which is entered to build the
VPN tunnel.
Reference: When this VPN tunnel is connected, computers with the
IP address of 192.168.2.1 can establish connection.
(2) Subnet
This option allows local computers in this subnet can be connected to the VPN tunnel.
Reference: When this VPN tunnel is connected, only computers with the session of 192.168.2.0 and with subnet mask as
255.255.255.0 can connect with remote VPN.
(3) IP Address Range
This option allows connection only when IP address range which is entered after the VPN tunnel is connected.
Reference: When this VPN channel is connected, computers with the IP address range between 192.168.2.1 and 192.168.1.254 can establish connection.
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Use IKE Protocol：
Click the shared key generated by IKE to encrypt and authenticate the remote user. If PFS (Perfect
Forward Secrecy) is enabled, the Phase 2 shared key generated during the IKE coordination will conduct further encryption and authentication. When PFS is enabled, hackers using brute force to capture the key will not be able to get the Phase 2 key in such a short period of time.
Perfect Forward Secrecy: When users check the PFS option, don't forget to activate the PFS function of the VPN device and the VPN Client as well.
Phase 1/ Phase 2 DH Group: This option allows users to select Diffie-Hellman groups: Group
1/ Group 2/ Group 5.
Phase 1/ Phase 2 Encryption: This option allows users to set this VPN tunnel to use any encryption mode. Note that this parameter must be identical to that of the remote encryption parameter: DES (64-bit encryption mode), 3DES (128-bit encryption mode), AES (the standard of using security code to encrypt information). It supports 128-bit, 192-bit, and 256-bit encryption keys.
Phase 1/Phase 2 Authentication: This authentication option allows users to set this VPN tunnel to use any authentication mode. Note that this parameter must be identical to that of the
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remote authentication mode: “MD5” or “SHA1”.
Phase 1 SA Life Time: The life time for this exchange code is set to 28800 seconds (or 8hours) by default. This allows the automatic generation of other exchange password within the valid time of the VPN connection so as to guarantee security.
Phase2 SA Life Time: The life time for this exchange code is set to 3600 seconds (or 1hours) by default. This allows the automatic generation of other exchange password within the valid time of the VPN connection so as to guarantee security.
Preshared Key：For the Auto (IKE) option, enter a password of any digit or characters in the text of “Pre-shared Key” (the example here is set as test), and the system will automatically translate what users entered as exchange password and authentication mechanism during the VPN tunnel connection. This exchange password can be made up of up to 30 characters.
Advanced Setting- for IKE Protocol Only
The advanced settings include Main Mode and Aggressive mode. For the Main mode, the default setting is set to VPN operation mode. The connection is the same to most of the VPN devices.
● Aggressive Mode: This mode is mostly adopted by remote devices. The IP connection is designed to enhance the security control if dynamic IP is used for connection.
● Keep Alive: If this option is selected, VPN tunnel will keep this VPN connection. This is mostly used to connect the remote node of the branch office and headquarter or used for the remote dynamic IP address.
● NetBIOS Broadcast: If this option is selected, the connected VPN tunnel allows the passage of
NetBIOS broadcast packet. This facilitates the easy connection with other Microsoft network; however, the traffic using this VPN tunnel will increase.
● Dead Peer Detection (DPD): If this option is selected, the connected VPN tunnel will regularly
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transmit HELLO/ACK message packet to detect whether there is connection between the two ends of the VPN tunnel. If one end is disconnected, the device will disconnect the tunnel automatically and then create new connection. Users can define the transmission time for each
DPD message packet, and the default value is 10 seconds.
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10.1.2.2. Client to Gateway Setting
The following describes how an administrator builds a VPN tunnel between devices. Users can set this VPN tunnel to be used by one client or by a group of clients (Group VPN) at the client end. If it is used by a group of clients, the individual setting for remote clients can be reduced. Only one tunnel will be set and used by a group of clients, which allows easy setting.
（1） Situation in Tunnel：
Tunnel No.：
Tunnel Name：
Interface：
Enabled：
Set the embedded VPN feature, please select the Tunnel number.
Displays the current VPN tunnel connection name, such as XXX Office.
Users are well-advised to give them different names to avoid confusion.
Note: If this tunnel is to be connected to the other VPN device, some device requires that the tunnel name is identical to the name of the host end to facilitate verification. This tunnel can thus be successfully enabled.
Users may select which port to be the node for this VPN channel. They can be applied for VPN connections.
Click to Enable to activate the VPN tunnel. This option is set to Enable by default. After users set up, users may select to activate this tunnel feature.
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Local Group Setup
This local gateway authentication type (Local Security Gateway Type) must be identical with that of the remote type (Remote Security Gateway Type).
Local Security Gateway
Type：
This local gateway authentication type comes with five operation modes, which are:
IP only - Authentication by the use of IP only
IP + Domain Name (FQDN) Authentication, -IP + Domain name
IP + E-mail Addr. (USER FQDN) Authentication,-IP + Email address
Dynamic IP + Domain Name (FQDN) Authentication, -Dynamic
IP address + Domain name
Dynamic IP + E-mail Addr. (USER FQDN) Authentication.
Dynamic IP address + Email address name
(1) IP only:
If users decide to use IP only, entering the IP address is the only way to gain access to this tunnel. The WAN IP address will be automatically filled into this space. Users don't need to do further settings.
(2) IP + Domain Name(FQDN) Authentication:
If users select IP + domain name type, please enter the domain name and IP address. The WAN IP address will be automatically filled into this space. Users don't need to do further settings. FQDN refers to the combination of host name and domain name and can be retrieved from the Internet, i.e. vpn.server.com. This IP address and domain name must be identical to those of the VPN secure gateway setting type to establish successful connection.
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(3) IP + E-mail Addr. (USER FQDN) Authentication.
If users select IP address and E-mail, enter the IP address and
E-mail address to gain access to this tunnel and the WAN IP address will be automatically filled into this space. Users don't need to do further settings.
(4) Dynamic IP + Domain Name(FQDN) Authentication:
If users use dynamic IP address to connect to the device, users may select this option to link to VPN. If the remote VPN gateway requires connection to the device for VPN connection, this device will start authentication and respond to this VPN tunnel connection; if users select this option to link to VPN, please enter the domain name.
(5) Dynamic IP + E-mail Addr. (USER FQDN) Authentication.
If users use dynamic IP address to connect to the device, users may select this option to connect to VPN without entering IP address.
When VPN Gateway requires for VPN connection, the device will start authentication and respond to VPN tunnel connection; if users select this option to link to VPN, enter E-Mail address to the empty field for E-Mail authentication.
Local Security Group
Type：
This option allows users to set the local VPN connection access type. The following offers a few items for local settings. Please select and set appropriate parameters:
4. IP address
This option allows the only IP address which is entered to build the VPN tunnel.
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Reference: When this VPN tunnel is connected, computers with the
IP address of 192.168.1.0 can establish connection.
5. Subnet
This option allows local computers in this subnet to be connected to the VPN tunnel.
Reference: When this VPN tunnel is connected, only computers with the session of 192.168.1.0 and with subnet mask as
255.255.255.0 can connect with remote VPN.
6. IP Range
This option allows connection only when IP address range which is entered after the VPN tunnel is connected.
Reference: When this VPN tunnel is connected, computers with the
IP address of 192.168.1.0 ~254 can establish connection.
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Remote Group Setup：
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This remote gateway authentication type (Remote Security Gateway Type) must be identical to the remotely-connected local security gateway authentication type (Local Security Gateway Type).
Remote Security Gateway
Type：
This local gateway authentication type comes with five operation modes, which are:
IP only
IP + Domain Name (FQDN) Authentication
IP + E-mail Addr. (USER FQDN) Authentication Dynamic IP +
Domain Name (FQDN) Authentication
Dynamic IP + E-mail Addr. (USER FQDN) Authentication
(1) IP only:
If users decide to use IP only, entering the IP address is the only way to gain access to this tunnel. The WAN IP address will be automatically filled into this space. Users don't need to do further settings.
(2) IP + Domain Name(FQDN) Authentication:
If users select IP + domain name type, please enter the domain name and IP address. The WAN IP address will be automatically filled into this space. Users don't need to do further settings. FQDN refers to the combination of host name and domain name and can be retrieved from the Internet, i.e. vpn.server.com. This IP address and domain name must be identical to those of the VPN secure
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gateway setting type to establish successful connection.
(3) IP + E-mail Addr. (USER FQDN) Authentication.
If users select IP address and E-mail, enter the IP address and
E-mail address to gain access to this tunnel and the WAN IP address will be automatically filled into this space. Users don't need to do further settings.
(4) Dynamic IP + Domain Name(FQDN) Authentication:
If users use dynamic IP address to connect to the device, users may select this option to link to VPN. If the remote VPN gateway requires connection to the device for VPN connection, this device will start authentication and respond to this VPN tunnel connection; if users select this option to link to VPN, please enter the domain name.
(5) Dynamic IP + E-mail Addr. (USER FQDN) Authentication.
If users use dynamic IP address to connect to the device, users may select this option to connect to VPN without entering IP address.
When VPN Gateway requires for VPN connection, the device will start authentication and respond to VPN tunnel connection; if users select this option to link to VPN, enter E-Mail address to the empty field for E-Mail authentication.
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IKE Protocol：
Click the shared key generated by IKE to encrypt and authenticate the remote user. If PFS (Perfect
Forward Secrecy) is enabled, the Phase 2 shared key generated during the IKE coordination will conduct further encryption and authentication. When PFS is enabled, hackers using brute force to capture the key will not be able to get the Phase 2 key in such a short period of time.
Perfect Forward Secrecy: When users check the PFS option, don't forget to activate the PFS function of the VPN device and the VPN Client as well.
Phase 1/ Phase 2 DH Group: This option allows users to select Diffie-Hellman groups: Group
1/ Group 2/ Group 5.
Phase 1/ Phase 2 Encryption: This option allows users to set this VPN tunnel to use any encryption mode. Note that this parameter must be identical to that of the remote encryption parameter: DES (64-bit encryption mode), 3DES (128-bit encryption mode), AES (the standard of using security code to encrypt information). It supports 128-bit, 192-bit, and 256-bit encryption keys.
Phase 1/Phase 2 Authentication: This authentication option allows users to set this VPN tunnel to use any authentication mode. Note that this parameter must be identical to that of the
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remote authentication mode: “MD5” or “SHA1”.
Phase 1 SA Life Time: The life time for this exchange code is set to 28800 seconds (or 8hours) by default. This allows the automatic generation of other exchange password within the valid time of the VPN connection so as to guarantee security.
Phase2 SA Life Time: The life time for this exchange code is set to 3600 seconds (or 1hours) by default. This allows the automatic generation of other exchange password within the valid time of the VPN connection so as to guarantee security.
Preshared Key：For the Auto (IKE) option, enter a password of any digit or characters in the text of “Pre-shared Key” (the example here is set as test), and the system will automatically translate what users entered as exchange password and authentication mechanism during the VPN tunnel connection. This exchange password can be made up of up to 30 characters.
Advanced Setting- for IKE Preshareed Key Only
The advanced settings include Main Mode and Aggressive mode. For the Main mode, the default setting is set to VPN operation mode. The connection is the same to most of the VPN devices.
● Aggressive Mode: This mode is mostly adopted by remote devices. The IP connection is designed to enhance the security control if dynamic IP is used for connection.
● Keep Alive: If this option is selected, VPN tunnel will keep this VPN connection. This is mostly used to connect the remote node of the branch office and headquarter or used for the remote dynamic IP address.
● NetBIOS Broadcast: If this option is selected, the connected VPN tunnel allows the passage of
NetBIOS broadcast packet. This facilitates the easy connection with other Microsoft network; however, the traffic using this VPN tunnel will increase.
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●
Dead Peer Detection (DPD): If this option is selected, the connected VPN tunnel will regularly transmit HELLO/ACK message packet to detect whether there is connection between the two ends of the VPN tunnel. If one end is disconnected, the device will disconnect the tunnel automatically and then create new connection. Users can define the transmission time for each
DPD message packet, and the default value is 10 seconds
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10.1.3. PPTP Server
It supports the PPTP of Window XP/ 2000 to create point-to-point tunnel protocol for single- device users to create VPN connection.
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Enabled PPTP Server：
When this option is selected, the point-to-point tunnel protocol PPTP server can be enabled.
PPTP IP Address Range： Please enter PPTP IP address range so as to provide the remote users with an entrance IP into the local network. Enter Range Start:
Enter the value into the last field. Enter Range End: Enter the value into the last field.
Username：
Password：
Please enter the name of the remote user.
Enter the password and confirm again by entering the new password.
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Confirm Password：
Add to list：
Delete selected item：
10.1.4. VPN Pass Through
Add a new account and password.
Delete Selected Item.
IPSec Pass Through：
PPTP Pass Through：
L2TP Pass Through：
If this option is enabled, the PC is allowed to use VPN- IPSec packet to pass in order to connect to external VPN device.
If this option is enabled, the PC is allowed to use VPN- PPTP packet to pass in order to connect with external VPN device.
If this option is enabled, the PC end is allowed to use VPN-
L2TP packet to pass in order to connect with external VPN device.
After modification, push
“Apply” button to save the network setting or push “Cancel” to keep the settings unchanged.
10.2. QnoKey
Introduces how Qno VPN devices conducts preliminary configuration of the data from the user end and how to set the QnoKey user to successfully create QnoKey by using QnoKey management
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software.
10.2.1. QnoKey Summary
Login to the web-based UI and click on the QnoKey menu to display the page that summarizes the current status information of QnoKey, as illustrated below：
QnoKey Tunnel Number：
Enabled：
Displays how many tunnels are applied and the total tunnel number of
QnoKey tunnel. Through advanced setting, users can set the tunnel number of IPSec and QnoKey.
Displays whether QnoKey username is enabled.
Account ID：
Displays the user name group of QnoKey.
Server IP address or the applied domain name.
Local IP Address
(Domain Name) ：
Life Time：
Available Time：
The present valid time of QnoKey; permanent use is displayed as
Forever.
If the number of days of using QnoKey is set, the remaining time is displayed here.
The upper limited number of QnoKey users.
Account Number
Limitation：
Used Number：
The number of QnoKey in use.
Online Number：
Displays the number of connected devices that are using QnoKey.
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Delete：
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Deletes one user name group setting rule.
Goes to the page where summarized information is needed.
Go to
page：
Entries per page：
Each summary page displays several group messages.
Add Qnokey Group：
Delete All Group：
Add new group settings.
Delete all the group settings.
10.2.2 Qnokey Group Setup
Press Add New Qnokey Group to enter Group Setup page, as illustrated below.
This page is designed for QnoKey group setup. Group parameters for QnoKey include WAN ports, valid time, and number of users, and protection actions for potential QnoKey losses. These setting options facilitate classified management for QnoKey users and enhance security.
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Enable this rule：
Group Account ID：
Interface：
Select this option to activate this setting rule.
Enter the QnoKey group name that users would like to set up.
Select WAN port and enter the correct IP address which corresponds to WAN port or the domain name (analyzed by
DDNS).If WAN ports are empty, IP entry is not necessary so that VPN connection will not fail. This option allows users to select which WAN port to make connection, facilitating management. If WAN1 is selected, QnoKey group users can connect through only WAN1. If both WAN 1and WAN 2 are selected, QnoKey group users are allowed to make connection via WAN 1or WAN 2. When WAN1 is disconnected, WAN2 will be automatically connected to back up VPN connection.
Life Time：
Account Number
Note：
If WAN port is selected and the network connection type is set as static IP, the system will automatically display this
WAN IP. Administrator does not need to enter it manually.
If WAN port is selected and the network connection is set to other types such as DHCP/PPPoE, administrator needs to enter the IP address or domain name (through DDNS analysis).
Set the valid time for QnoKey group. If the QnoKey is for normal and frequent use, the option "Forever" may be selected so the user end valid time is infinite. If the user is more complicated or if it is meant for mobile users who travel on business, the VPN security can be guaranteed by setting the valid time of QnoKey as "1~99" days according to the desired number of days to be set.
Set the maximum number of QnoKey users (from "1~100”)
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Limitation：
Stolen Key Login
Action： allowed by the group setting rules.
In the drop-down list, select operation options for the missing
QnoKey.
In the event of losing QnoKey, there are three options for select ion: “Do Nothing”, “Clear Key,” and “Lock Key". Setting this feature on QnoKey can enhance VPN security. Select
"Do Nothing" to do no change after the Key is lost. Select
"Clear Key" to clean up the QnoKey settings when the VPN connection is established again after the QnoKey is lost.
Select "Block Key" to block the VPN connection after the
QnoKey is lost.
Press "Apply" to confirm the group settings and press "Cancel" to cancel the setting. Press "Back" to return the previous page.
Pressing "Apply" to display a dialog box in which it will ask if users want to continue to add new setting group. Click "Ok" to add another group setting or "Cancel" to return to the QnoKey Summary page. It is illustrated as below.
On the QnoKey Summary page, the defined group will be displayed, which is illustrated as below.
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When a new rule is created, "Show List" and "Edit" button will be displayed behind the rule. Click on
"Show List" to show the list of users applying this group rule. Click "Edit" to change settings. Click the trash can icon to delete this setting.
10.2.3 Qnokey Account List
Click "Show List” to show the Account List page applying this rule.
Group Account ID：
Enabled：
QnoKey SN：
User Name：
Status：
Stolen Key Login
Displays the group ID to which the user belongs to.
Click this option to activate QnoKey user.
Displays the QnoKey serial number.
Displays the QnoKey user name.
Displays the QnoKey connection status. “Connect” means the user is connected and online; “Disconnect" means no connection and offline.
Select this option to create settings if the QnoKey is lost.
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Action：
Bind MAC：
MAC Address：
Delete：
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If there is hardware binding, QnoKey can only execute on the bound PC.
If hardware binding function is enabled, it will show the MAC address which Qnokey is bound with, not the PC MAC address.
Delete the user Qnokey connection information.
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10.3. QVM VPN Function Setup
The QVM-series device provides three major convenient functions:
1. Smart Link IPSec VPN: Easy VPN setup replaces the conventional complicated VPN setup process by entering Server IP, User Name, and Password.
2. Central Control Feature: Displays a clear VPN connection status of all remote ends and branches. Its central control screen allows setup from remote into external client ends.
3. VPN Disconnection Backup: Solves data transmission problem arising from failed ISP connection with remote ends or the branches.
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10.3.1. QVM Server Settings
Select QVM Feature as Server mode：
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Must be identical to that of the remote client end. Account ID：
Please enter the remote client user name in either English or Chinese.
Password： Must be identical to that of the remote client end.
Confirm Password：
Please enter the password and confirm again.
IP Address：
Subnet Mask：
Refers to the specific network IP address and subnet mask, which has to build connection with the remote client end.
VPN Hub Function： After branch and headquarter are connected, branches can access each other easily without having other tunnels.
Active：
Add to list：
Active this account.
Add a new account and password.
Delete selected item： Delete the selected user.
After modification, push
“Apply” button to save the network setting or push “Cancel” to keep the settings unchanged.
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XI. Virtue Route
Virtual Router enable the branch only has single ISP service can enjoy two different broadband network. The branch can access another ISP network with connecting to headquarter server with dual-bradband connection. As the result, the linking problem between different ISP network will be sloved.
As the figure showed above, Café A has only one ISP service. Because of narrow bandwidth between two different ISP, the connection speed that users access to the web or on-line game on another network will be very slow. On the other hands, Café B owns two different ISP service. No matter what network users access to, the connection speed will be fast.
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Café A can enable virtual route function and link to Café B’s device. They can access another ISP service through Café B’s network. It seems that Café A employ dual ISP service, too. If users in Café A want to access to another ISP network, the link speed won’t be restricted.
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11.1 Virtue Route Server (PPTP Server)
The Chapter intrduces how to configure a Virtue Route server. Virtue Route builds PPTP on the basis of PPP (Point-to-point Protocol), it strengthens the security of PPP. Virtue Route enables encryption transmission between PPTP server and client, and enables PPTP server to verify the remote clients.
Go to “PPTP Setup” and click “Enabled PPTP Server.”
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Enabled PPTP Server：
When this option is selected, the point-to-point tunnel protocol PPTP server can be enabled.
PPTP IP Address Range： Please enter PPTP IP address range so as to provide the remote users with an entrance IP into the local network. Enter Range Start:
Enter the value into the last field. Enter Range End: Enter the value into the last field.
Username：
Password：
Please enter the name of the remote user.
Enter the password and confirm again by entering the new password.
Confirm Password：
Add to list：
Add a new account and password.
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Delete Selected Item.
Delete selected item：
All PPTP Status：Displays all successfully connected users, including username, remote IP address, and PPTP address.
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XII. SSL VPN
For SSL VPN, client only need a web browser to access to Central servers. Passing the ID, and you get the portal to the company
’s internal resources, such as Internet services, Microsoft terminal services, remote desktop services, online neighborhood networks, and secure tunnel functions. Meanwhile, different users or groups can access to different interfaces according to the web administrator
’s configurations, which satisfies external and mobile users' security requirements.
Below introduces SSL VPN related settings.
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SSL VPN
SSL (Secure Sockets Layer) is a protocol that ensures secure data transmission over the Internet via
HTTPS encryption; including server authentication, user authentication, and SSL data link integrity and security. SSL VPN is an LAN application service that remote users are provided with web page security through a SSL VPN gateway. Because SSL VPN uses a standard, built-in web browser SSL/HTTPS secure transmission mechanism, there are no required installations or settings for clients. Clients can access remote data via a web browser such as IE or Netscape. This simple setup requires no client software, costs less and is highly adaptable with other networks. Administrators can also use the same ID for user ID authentication mechanism, network access, and classification management. This prevents enterprise information’s complete transparency and provides an increasing level of security safeguards.
12.1 Status
Block Status shows current SSL VPN users' online status.
Tunnel(s) Used:
Display the amount of previously set tunnels.
Tunnel(s) Available:
Display the amount of unused tunnels.
User:
Display the current SSL tunnel user name.
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Group:
IP:
Login Time:
User Type:
Logout:
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Display the name of current SSL tunnel using Group.
Display current users' SSL tunnel remote IP addresses.
Display current SSL tunnel users' login time.
Display whether the user is an administrator or a staff.
Logout when clicking on the icon.
12.2 Group Summary
Group Summary table displays group setting information. Group settings can be modified here and new users can also be added.
Group:
Domain:
User:
Display the group
’s name. SSL VPN has 4 built-in groups by default (All
Users, Supervisor, Mobile User, & Branch Staff). If one group needs to be edited, click on its name to access the group management page.
Display the authentication server name used corresponding to certain group, which is served as Local Database by default.
Click "Detail" to view a specific group's user names and types.
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Resource:
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Click "Detail" to view a specific group's available service resources. The
4 default group's authentication service resources are all listed in the following service resource configuration explanation.
Delete:
Status:
Add New Group:
Click the recycle bin icon to delete a group.
Display whether the group configuration is Enabled or Disabled.
Defaults for the All Users group are Enabled and for others are
Disabled.
Click the "Add New Group" tab, entering the group admin section to add a new group.
12.3 Group Management:
Group Management helps the web administrator organize users
’ access to internal service resources in groups. It can be configured by following 3 steps: Domain Management, User management, and Service
Resource management. In addition, SSL VPN's unique "One- Click" makes your basic configurations fast.
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Group Name:
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Group Name: Display all group names in the drop down list.
Add New Group: Click it to create a new group.
Add New Group
Group Name:
Submit:
Import a group name.
Click "Submit" tab to save recent changed settings; new group names will appear in the drop down menu.
Click "Cancel" to clear any recent changes to the settings.
Cancel:
Each group must follow below steps (Domain Management, User management, and Service resource management) to complete group settings.
Step One: Domain Management
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Domain Management is used to determine which authentication server will be used to authenticate users at login. The default authentication server type is local database. SSL VPN supports external authentication services and can be combined with an enterprise's current authentication server for a simplified deployment. If no suitable authentication servers can be chosen from the list, click "Add New
Domain" to create a new one.
Assign:
Domain Names:
Authentication Type:
Authentication server IP:
All authentication servers with defined settings will be displayed on Domain
Management list. You are required to choose one authentication server to be assigned to this group. Each group can only be assigned to one type of
authentication server. Default is Local Database. If there are changes to the domain servers designated by All Users, other groups that have yet to enable will also be modified accordingly.
Display all authentication server names.
Display authentication server type.
Display external authentication server IP addresses. If the Authentication Type is
Local Database, the authentication server IP address will not be displayed.
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User Database:
Edit:
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For external authentication servers, the user database will be: "Apply User
Database
” and "Customize User Database".
Click "Apply User database", then there is no need to establish additional user data, and the system will directly apply the external authentication server's internal user database settings. As long as the users belong to this authentication server group, they can use the group's resources.
Note: If multiple groups designate the same authentication server for users, only one group will be able to use the built-in user database at one time. For this reason, it is recommended that the largest group be designated to use the built-in user database and other smaller groups use the "Customize User Database".
Select the "Customize User Database", the administrator must add a new user to the group (See step two: User management). If users have not been set by the administrator, users of the authentication server can still pass the authentication, but they will not be able to access the web portal to use internal enterprise resources.
Click on the "Edit" tab to make changes to the server addresses and authentication domain names. Authentication server type and authentication service name cannot be altered. If you want to change the authentication server type and authentication service name, delete them, and then set up a new authentication server.
Delete:
Click on the recycle bin icon to delete authentication server settings.
Adding New Authentication Service
SSL VPN, in addition to Local Database, supports another 7 kinds of authentication server types:
Radius-PAP/CHAP/MSCHAP/MSCHSPV2, NT-Domain, Active Directory, and LDAP.
1. Local Database
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Authentication Type:
Select the authentication server type from the drop down menu.
Domain Names:
Name the selected authentication server.
Submit:
Cancel:
Click on the "Submit" tab to save changes
Click "Cancel" to clear any recent changes to the settings.
2. Radius-PAP
Authentication Type:
Select the authentication server type from the drop down menu.
Domain Names:
Name the selected authentication server.
RADIUS Server:
Secret Password:
Enter authentication server address.
Enter the password for RADIUS.
Submit:
Cancel:
Click on the "Submit" tab to save changes
Click "Cancel" to clear any recent changes to the settings.
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3. Radius-CHAP
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Authentication Type:
Select the authentication server type from the drop down menu.
Domain Names:
Name the selected authentication server.
RADIUS Server:
Enter authentication server address.
Secret Password:
Enter the password for RADIUS.
Submit:
Cancel:
Click on the "Submit" tab to save changes
Click "Cancel" to clear any recent changes to the settings.
4. Radius-MSCHAP
Authentication Type:
Select the authentication server type from the drop down menu.
Domain Names:
Name the selected authentication server.
RADIUS Server:
Enter authentication server address.
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Secret Password:
Submit:
Cancel:
5. Radius-MSCHAPV2
Enter the password for RADIUS.
Click on the "Submit" tab to save changes
Click "Cancel" to clear any recent changes to the settings.
Authentication Type:
Select the authentication server type from the drop down menu.
Domain Names:
Name the selected authentication server.
RADIUS Server:
Enter authentication server address.
Secret Password:
Enter the password for RADIUS.
Submit:
Cancel:
Click on the "Submit" tab to save changes
Click "Cancel" to clear any recent changes to the settings.
6. NT-Domain
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Authentication Type:
Select the authentication server type from the drop down menu.
Domain Names:
Name the selected authentication server.
NT Server Address:
Enter the NT-Domain authentication server address.
NT Domain Name:
Enter NT-Domain authentication domain name. For example, qno.com.
Submit:
Cancel:
Click on the "Submit" tab to save changes
Click "Cancel" to clear any recent changes to the settings.
7. Active Directory
Authentication Type:
Select the authentication server type from the drop down menu.
Domain Name:
Name the selected authentication server.
Server Address:
Active Directory
Domain:
Enter Active Directory authentication server address.
Enter Active Directory authentication server’s domain name. For example, qno.com
Submit:
Cancel:
Click on the "Submit" tab to save changes
Click "Cancel" to clear any recent changes to the settings.
8. LDAP
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Authentication Type:
Domain Names:
Server Address:
LDAP BaseDN*:
Select the authentication service type you wish to use from the drop down menu.
Name the selected authentication server.
Enter authentication server address.
Enter LDAP authentication server’s authentication domain name
(LDAP BaseDN*).
Click on the "Submit" tab to save changes
Click "Cancel" to clear any recent changes to the settings.
Submit:
Cancel:
One Click:
SSL VPN provides one-click setting. With fewest configurations, all users can use SSL tunnels to access an open internal resource. While in "All Users" group, the authentication server settings support the current enterprise authentication server. So all users, after being identified via the authentication server, will be directed to the portal and can use the full range of enterprise resources. For Authentication server settings, see step one below: Domain Management.
If you don't want all users to access the full range of available resources, go to "All Users" group settings to disable or modify settings in sequential order according to the following steps.
If you want to use the one-click function, after you have added new authentication servers, complete the setup by assigning the All Users group authentication server to the newly created authentication server.
Note: All of the users in this authentication server can link to the web portal and access all of the enterprise resources pre-determined by administrators. Administrators do not need to define settings for step 2 (User
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management) and step 3 (Service resources management).
Step 2: User Management
User Management determines who belong to this group and have the right to use the resources. Newly added users will appear on the user list; click on "Assign to this Group" column to designate a user to this group. If "Domain Management" is set to "Customize User Database" and when the user list does not have a suitable user, click "Add New User" to create a new one.
Assign to this
Group:
User Name:
Select a user from the user list to assign to this group. One user can be assigned to one group only.
Display customized user name.
Please note: The built- in users of the authentication server database in
Domain Management will not display on the user list.
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Edit:
User passwords (if Local Database), expiration dates, user classifications, and inactive timeouts can be edited or modified, but user authentication servers and user names cannot. If you want to modify a user name, first delete it, and then add a new modified user name.
Delete this user.
Delete:
Add New User
Click on “Add new user” and the window below will pop up.
Please note: In addition to Local Database, user names and passwords must correspond to the selected authentication server’s user names.
Domain Name:
User Name:
Display the authentication server name used by this group.
Enter authentication server’s user name.
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Password:
Expiration
(yyyy/mm/dd):
Date
User Type:
Inactive timeout:
Add to List:
Save Setting:
Cancel:
Exit:
For Local Database, enter user passwords. Passwords do not need to be entered if Local Database is not used.
Enter users' permitted time limit. For example, if the expiration date is set to November 1, 2007, then the user will be denied beginning on
November 2, 2007 at 12: 00 AM.
If set to "Administrator", the user will login on the router management UI.
If set to "U user", the user will login on the web portal.
Please note: Only Local Database users can be set as "Administrator"; external authentication server users can only be "Users" and cannot login on the router management UI.
Even though a user has logged in via the web portal, he/she will be forced to logout (timeout) due to inactivity after 10 minutes. If a user logs into the web portal to access enterprise resources using a SSL in an unsafe environment, a shorter timeout time is recommended to mitigate risk if the user is logged in but inactive.
After completing the above settings, click on "add to list" to add newly created user settings to the corresponding list.
After complete settings, click on the “Save Setting” tab to save.
Click on the “Cancel” tab to cancel all unsaved settings.
Click on the “Exit” tab to close the “add new user” window.
Step 3: Service Resource Management:
Service resource management settings determine which enterprise resources a group's users can use.
The checked resources will be the icons which are available to the users after they have logged on to the web portal. If users are not allowed to enter resource addresses or names, administrators can opt to not activate that resource and bookmark the limits of users' access to resources. For example, if a company has multiple FTP servers internally, and when FTP service is activated, then a group's users can connect through the web portal and enter the FTP servers if they want to access. If an administrator has not activated FTP service, but has only bookmarked one FTP, then the group's users can only access the bookmarked FTP server.
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Default values for each built-in user groups are shown in the following table.
Resource name/Group name
All Users Supervisor Mobile User
Internet Services
Telnet
SSH
Branch Staff
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FTP
Microsoft Terminal
Services
Word
Excel
Power Point
Access
Outlook
IE
FrontPage
ERP
Remote Desktop
RDP5
VNC
My Network Place
Virtual Passage
Configure Bookmark for this Group
Services (Telnet, SSH, FTP) and remote desktop services (RDP5, VNC) can use group established bookmarks. Users are not required to remember or set a server name or IP address.
Administrators can see all configured bookmarks here, which will display on a user web portal. Users are not required to remember or set a server name or IP address; they can click to use the administrator pre-configured resources.
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Bookmark configured for this group:
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Bookmark Name:
Enter the service resource name; this name will appear on the user's web portal as the service name.
Name or IP address:
Enter the service name or IP address.
Service:
Select a service from the drop down menu below, for example:
Add to List:
Save Setting:
Cancel:
Exit:
Telnet/SSH/FTP.
After completing the previous steps, click on the “Add to List” tab to add the bookmark setting into the list.
After settings are complete, click on the “Save Setting” tab to save.
Click on the “Cancel” tab to cancel all unsaved settings.
Click on the “Exit” tab to close the window.
Bookmark configured for this group: Remote desktop service
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Bookmark Name:
Enter the service resource name; this name will appear on the user's web portal as the service name.
Name or IP address:
Enter the service name or IP address.
Service:
Select remote desktop service RDP5/VNC from the drop down menu.
Screen Size:
Configure user remote desktop screen display dimensions: 680x480,
Add to List:
800x600, 1027x768 or full-screen
After completing the previous steps, click on the “Add to List” tab to add
Save Setting:
Cancel:
Exit:
the bookmark setting into the list.
After complete settings, click on the “Save Setting” tab to save.
Click on the “Cancel” tab to cancel all unsaved settings.
Click on the “Exit” tab to close the window.
Permit Customized Bookmarks
If an administrator activates “Permit Customized Bookmarks”, then users should click "Add Bookmark" to
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configure a service name or IP address to use that resource.
12.4 Domain Management
In addition to selecting 12.3
“Group Management”, SSL VPN can also provide authentication to display
Domain Management. All authentication services will be shown in the Domain Management list. Groups using authentication services will be displayed according to the authentication server name.
User Staff All User Group Supervisor
Group
Mobile
Group
Branch
Group
Step One: Domain
Management
Step 2:
Management
User
Step 3: Service
Resource
Management:
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Domain Name:
All newly added authentication services will be displayed on the Domain
Management list.
Authentication Type:
Authentication service types are displayed by authentication server name, including: Local Database, Radius- PAP/ CHAP/ MSCHAP/
MSCHAPV2, NT-Domain, Active Directory and LDAP.
Display configured external authentication server IP addresses.
Authentication
Server IP:
Group:
Edit:
Delete:
Display authentication server group names.
Click on the “Edit” tab to select an authentication server IP address and edit authentication domain names.
Click on t he “clear” tab to clear the selected authentication server.
Add New Domain
See 12.3
“Group Management”.
12.5 User Management
In addition to selecting 12.3 Group Management to configure group settings, SSL VPN can also provide inter-group user management. On the user management list, each authentication server will display all self-defined users that can be appointed to groups.
All User Group Supervisor
Group
Mobile
Group
User Branch
Group
Staff
Step One: Domain
Management
Step 2:
Management
User
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Step 3: Service
Resource
Management:
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Domain Name:
Authentication Type:
Displays the name of the authentication server type and also shows
User Name:
Group:
default is Local Database.
Displays authentication server’s self-defined user names.
Displays which group the user belongs to; from here you can modify user groups.
Edit:
Select an authentication server to perform user management on from the drop down menu.
User passwords (if Local Database), expiration dates, user classifications, and inactive timeouts can be edited or modified, but user authentication servers and user names cannot. If you want to modify a user name, first delete it, and then add a new user name. You can also select an authentication server to edit IP address and domain name.
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Delete:
Click on the “Delete” tab to delete selected users.
Add New User
Click on “Add New User” and then the window below will pop up.
Please note: In addition to the local database, user names and passwords must correspond to the selected authentication server’s user names.
Domain Name:
User Name:
Password:
Expiration
(yyyy/mm/dd):
Date
Displays the authentication server name.
Enter authentication server’s user names.
For Local Database, enter user passwords. Passwords do not need to be entered if Local Database is not used.
Enter users' permitted time limit. For example, if the expiration date is set to November 1, 2007, then the user will be denied beginning on
November 2, 2007 at 12: 00 AM.
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Add to List:
Confirm:
Cancel:
Exit:
User Type:
Inactive timeout:
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If set to "Administrator", the user will login on the router management UI.
If set to "User", the user will login on the web portal.
Please note: Only Local Database users can be set as "Administrator", external authentication server users can only be "User" and cannot login on the router management UI.
Even though a user has logged in via the web portal, he/she will be forced to logout (timeout) due to inactivity after 10 minutes. If a user logs into the web portal to access enterprise resources using a SSL in an unsafe environment, a shorter timeout time is recommended to mitigate risk if the user is logged in but inactive.
After completing the above settings, click on "Add to List" to add newly created user settings to the corresponding list.
After settings are complete, click on the “Confirm” tab to save.
Click on the “Cancel” tab to cancel all unsaved settings.
Click on the “Exit” tab to close the window.
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12.6 Service Resource Management
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12.6.1 Banner
Set the headings for users’ web portal, including enterprise and resource names.
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12.6.2 Resource Configuration
SSL VPN supports common Microsoft terminal services (including Word, Excel, PowerPoint, Access,
Outlook,
IE, FrontPage, and ERP). Administrators can also click on the “Add New Terminal Service” tab to add additional terminal services.
Resource Name:
Service:
Host Address:
Edit:
Delete:
Display resource name, including SSL VPN supported terminal services like Word, Excel, PowerPoint, Access, Outlook, IE, FrontPage, and
ERP.
Display different service icons, which will show on a user’s web portal.
Display terminal server address.
Provides selected resource application program paths, execution paths, server addresses, and application program image editing. SSL VPN supports built-in application program paths c: \program files\Microsoft office\office\windword.exe. If you have installed Microsoft terminal services that have a different server path, modification will be required.
Microsoft terminal service is
“Disabled” by default. Once Microsoft terminal service server is set up and configured, activate it to avoid limited services for group users.
If there is no need to support terminal services, click on the delete icon to delete the resource.
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Status:
Displays server resource status as Enabled or Disabled.
Add New Terminal Server
If an enterprise has multiple internal terminal servers, click on the “Add New Terminal Service” tab to add a new terminal service.
Application
Description:
Import an application name.
Application
Enable: and
Set installation path this of application server.
Path:
Working Directory:
Set application working directory.
Host Address:
Set server address.
Application Icon:
Select the server icon. In addition to built-in icons, there are also commonly used icons.
Check to activate this service.
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12.7 Link to Portal
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If user management settings have the user type set to “Administrator”, the user will login on the router management UI. For login to the web portal, click “Link to Portal”.
12.8 Advanced Settings
Advanced Settings can modify SSL connection ports & add SSL upgrades.
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12.8.1 Virtual Passage
A virtual passage is a type of point-to-point SSL client connection. When remote users use a secure tunnel to connect, SSL VPN will establish a virtual web interface. For this reason, you will need to set SSL
VPN's secure tunnel client address range so it does not conflict with your company's Internet DHCP IP.
Default for 5 SSL users is 192.168.1.200 to 192.168.1.205.
Unified IP Management:
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The Unified IP Management configuration window can set LAN IP range, DHCP IP range, SSL virtual passage IP range, and PPTP IP address range.
LAN Settings:
The system default for LAN IP is 192.168.1.1, and subnet mask is 255.255.255.0. Changes can be made
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based on actual network architecture.
Multiple-Subnet Settings:
Select "Multiple Subnet", and enter the subnet IP address/ subnet mask you want to add. This function is to add the router's different LAN IPs in different ranges to the router identified LAN. Therefore, PCs in LAN already having configured IPs, which are different from LAN IP range, can still go online directly. For example, there are several IP ranges in LAN, such as 192.168.3.0, 192.168.20.0, 192.168.150.0, etc. When all of these ranges are added to a subnet, the PCs in these ranges don't need to make any modification and can go online.
This can be done with your actual internet architecture.
Dynamic IP:
SSL VPN firewall has 4 Class C DHCP servers and is enabled by default, which can provide PCs in LAN to get IPs automatically (like DHCP service in NT server). So each PC isn't required to record or set other IP addresses. After a computer starting, SSL VPN firewall will automatically acquire an IP address.
Range Start:
Range End:
The initial IP for the 4 ranges by default are 192.168.1.100,
192.168.2.100, 192.168.3.100, and 192.168.3.100. Changes can be made by actual requirements.
The last IP for the 4 ranges by default are 192.168.1.149,
192.168.2.149, 192.168.3.149, 192.168.4.149. Factory default allows to
50 IP addresses in each range. A total of 200 computers can automatically acquire IP addresses. Changes can be made by actual requirements.
Virtual Passage:
When the client uses SSL secure tunnel to connect to SSL VPN, SSL VPN will assign a LAN IP address to the user. You can use SSL VPN's supported SSL tunnels to adjust "client start addresses" and "client end addresses" to provide ample LAN IP the SSL secure tunnel clients. Ensure that the secure tunnel IP range doesn’t conflict with the DHCP IP range or the PPTP secure tunnel IP range.
PPTP IP Address Distribution Range:
When a client uses PPTP to dial into the SSL VPN, SSL VPN will assign a LAN IP address for the client. You can adjust
“Range Start” and “Range End” by purchasing SSL tunnel quantity. In this way, you can provide sufficient LAN IPs for SSL tunnel users. Please Note: IP ranges for virtual passage cannot have conflict with those in DHCP and PPTP tunnels.
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12.8.2 Advanced Configurations
The SSL default port is 443. If port 443 is being used by another internal application, you can use the
SSL VPN’s service port drop down menu to select a different one (10443, 20443). Remind: If you change a port other than the default 443, when a client connects to the SSL VPN, the port number will have to be entered after the address.
12.8.3 SSL Upgrade Serial Number
In addition to SSL VPN default SSL tunnel, if you want to upgrade for additional tunnels, please contact your Qno distribution representatives to order the upgraded edition. After purchasing, an SSL upgrade serial number will be provided. Enter the serial number in the "SSL Upgrade Serial Number" blank and the tunnel quantity in "SSL Upgrade Tunnel Number". After that, click "Apply", and you can successfully upgrade the SSL tunnels. You can go to “Status” to view “Tunnel(s) Used” and “Tunnel(s) Available” to confirm whether your upgrade is successful or not .
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XIII. Advanced Function
13.1 DMZ Host/ Port Range Forwarding
Enterprise Multi-WAN VPN QoS Router
13.1.1 DMZ Host
When the NAT mode is activated, sometimes users may need to use applications that do not support virtual IP addresses such as network games. We recommend that users map the device actual
WAN IP addresses directly to the Intranet virtual IP addresses, as follows:
If the “DMZ Host” function is selected, to cancel this function, users must input "0” in the following
“DMZ Private IP”. This function will then be closed.
After the changes are completed, click
“Apply” to save the network configuration modification, or click
“Cancel" to leave without making any changes.
13.1.2 Port Range Forwarding
Setting up a Port Forwarding Virtual Host: If the server function (which means the server for an external service such as WWW, FTP, Mail, etc) is contained in the network, we recommend that users use the firewall function to set up the host as a virtual host, and then convert the actual IP addresses
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(the Internet IP addresses) with Port 80 (the service port of WWW is Port 80) to access the internal server directly. In the configuration page, if a web server address such as 192.168.1.50 and the Port 80 has been set up in the configuration, this web page will be accessible from the Internet by keying in the device actual IP address such as, http://211.243.220.43
.
At this moment, the device actual IP will be converted into “192.168.1.50” by Port 80 to access the web page.
In the same way, to set up other services, please input the server TCP or UDP port number and the virtual host IP addresses.
Service：
IP Address：
Enabled：
Service Port
Management：
Add to list：
To select from this option the default list of service ports of the virtual host that users want to activate.
Such as: All (TCP&UDP) 0~65535, 80 (80~80) for WWW, and 21~21 for FTP. Please refer to the list of default service ports.
Input the virtual host IP address.
Activate this function.
Add or remove service ports from the list of service ports.
Add to the active service content.
Service Port Management
The services in the list mentioned above are frequently used services. If the service users want to
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activate is not in the list, we recommend that users use “Service Port Management” to add or remove ports, as follows：
Service Name：
Protocol：
Port Range：
Add to list：
Delete selected item：
Apply：
Input the name of the service port users want to activate on the list, such as E-donkey, etc.
To select whether a service port is TCP or UDP.
To activate this function, input the range of the service port locations users want to activate such as 500~500 or 2300~2310, etc.
Add the service to the service list. It supports up to 100 rules.
To remove the selected services.
Click the “Apply” button to save the modification.
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Cancel：
Close：
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Click the
“Cancel” button to cancel the modification. This only works before
“Apply” is clicked.
Quit this configuration window.
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13.2 Routing
In this chapter we introduce the Dynamic Routing Information Protocol and Static Routing
Information Protocol.
13.3.1 Dynamic Routing
The abbreviation of Routing Information Protocol is RIP. There are two kinds of RIP in the IP environment
– RIP I and RIP II. Since there is usually only one router in a network, ordinarily just Static
Routing will be used. RIP is used when there is more than one router in a network, and if an administrator doesn’t want to assign a path list one by one to all of the routers, RIP can help refresh the paths.
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RIP is a very simple routing protocol, in which Distance Vector is used. Distance Vector determines transmission distance in accordance with the number of routers, rather than based on actual session speed.
Therefore, sometimes it will select a path through the least number of routers, rather than through the fastest routers.
Working Mode：
RIP：
Receive RIP versions：
Transmit RIP versions：
Select the working mode of the device: NAT mode or router mode.
Click “Enabled” to open the RIP function.
Use Up/Down button to select one of “None, RIPv1, RIPv2, Both
RIPv1 and v2
” as the “TX” function for transmitting dynamic RIP.
Use Up/Down button to select one of “None, RIPv1,
RIPv2-Broadcast, RIPv2-Multicast
” as the “RX” function for receiving dynamic RIP.
13.3.2 Static Routing
When there are more than one router and IP subnets, the routing mode for the device should be configured as static routing. Static routing enables different network nodes to seek necessary paths automatically. It also enables different network nodes to access each other. Click the button “Show Routing
Table
” (as in the figure) to display the current routing list.
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Dest. IP：
Subnet Mask：
Gateway：
Hop Count：
Interface：
Add to List：
Delete Selected Item：
Show Table：
Apply：
Cancel：
Input the remote network IP locations and subnet that is to be routed. For example, the IP/subnet is 192.168.2.0/255.255.255.0.
The default gateway location of the network node which is to be routed.
This is the router layer count for the IP. If there are two routers under the device, users should input “2” for the router layer; the default is
“1”. (Max. is 15.)
This is to select “WAN port” or “LAN port” for network connection location.
Add the routing rule into the list.
Remove the selected routing rule from the list.
Show current routing table.
Click
“Apply” to save the network configuration modification
Click
“Cancel" to leave without making any changes.
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13.4 One to One NAT
As both the device and ATU-R need only one actual IP, if ISP issued more than one actual IP (such as eight ADSL static IP addresses or more), users can map the remaining real IP addresses to the intranet PC virtual IP addresses. These PCs use private IP addresses in the Intranet, but after having One to One NAT mapping, these PCs will have their own public IP addresses.
For example, if there are more than 2 web servers requiring public IP addresses, administrators can map several public IP addresses directly to internal private IP addresses.
Example：Users have five available IP addresses - 210.11.1.1~5, one of which, 210.11.1.1, has been configured as a real IP for WAN, and is used in NAT. Users can respectively configure the other four real IP addresses for Multi-DMZ, as follows:
210.11.1.2 192.168.1.3
210.11.1.3 192.168.1.4
210.11.1.4 192.168.1.5
210.11.1.5 192.168.1.6
Attention！
The device WAN IP address can not be contained in the One-to-One NAT IP configuration.
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Enabled One to One NAT： To activate or close the One-to-One NAT function. (Check to activate the function).
Private IP Range Begin：
Input the Private IP address for the Intranet One-to-One NAT function.
Public IP Range Begin：
Input the Public IP address for the Internet One-to-One NAT function.
Range Length：
The numbers of final IP addresses of actual Internet IP addresses. (Please
Add to List：
Delete Seleted Item：
Apply：
Cancel： do not include IP addresses in use by WANs.)
Add this configuration to the One-to-One NAT list.
Remove a selected One-to-One NAT list.
Click
“Apply” to save the network configuration modification.
Click
“Cancel" to leave without making any changes.
Attention！
One-to-One NAT mode will change the firewall working mode. If this function has been set up, the
Internet IP server or PC which is mapped with a LAN port will be exposed on the Internet. To prevent
Internet users from actively connecting with the One-on-One NAT server or PC, please set up a proper
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denial rule for access, as described Firewall.
13.5 DDNS- Dynamic Domain Name Service
DDNS supports the dynamic web address transfer for QnoDDNS.org.cn、3322.org、DynDNS.org and DtDNS.com. This is for VPN connections to a website that is built with dynamic IP addresses, and for dynamic IP remote control. For example, the actual IP address of an ADSL PPPoE time-based system or the actual IP of a cable modem will be changed from time to time. To overcome this problem for users who want to build services such as a website, it offers the function of dynamic web address transfer. This service can be applied from www.qno.cn/ddns , www.3322.org
, www.dyndns.org
, or www.dtdns.com
, and these are free.
Also, in order to solve the issue that DDNS server is not stable, the device can update the dynamic
IP address with different services at the same time.
Select the WAN port to which the configuration is to be edited, for example, WAN 1. Click the hyperlink to enter and edit the settings.
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Interface：
DDNS：
Username：
Password：
Dynamic Domain Name：
WAN IP Address：
Status：
This is an indication of the WAN port the user has selected.
Check either of the boxes before DynDNS.org, 3322.org, DtDNS.com and QnoDDNS.org.cn to select one of the four DDNS website address transfer functions.
The name which is set up for DDNS.
Input a complete website address such as abc.qnoddns.org.cn
as a user name for QnoDDNS.
The password which is set up for DDNS.
Input the website address which has been applied from DDNS.
Examples are abc.dyndns.org or xyz.3322.org.
Input the actual dynamic IP address issued by the ISP.
An indication of the status of the current IP function refreshed by DDNS.
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Apply：
Cancel：
Register for QnoDDNS
Enterprise Multi-WAN VPN QoS Router
After the changes are completed, click
“Apply” to save the network configuration modification.
Click
“Cancel" to leave without making any changes.
1． Please go to Qno website and register the product at http://www.qno.com.tw/english/.
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2． Input the e-mail address which users used to register this product and the serial number of the product to log in to the QnoDDNS Service System. Be sure to input an available e-mail address so that the password sent from the system to activate QnoDDNS service can be received after the domain name registration.
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3． Rules for Applying a Domain Name:
●The Domain should have at least 4 letters and no more than 63 letters.
●The Domain name should only consist of a-z (lowercase letter) and 0-9 (numerals) and the first character should be an English letter.
●For products with two WANs, users can apply no more than two DDNS configurations.
●For products with two WANs, users can apply no more than two DDNS configurations.
●For products with eight WANs (or over), users can apply no more than four DDNS configurations.
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13.6 MAC Clone
Some ISP will request for a fixed MAC address (network card physical address) for distributing IP address, which is mostly suitable for cable mode users. Users can input the network card physical address (MAC address: 00-xx-xx-xx-xx-xx) here. The device will adopt this MAC address when requesting IP address from ISP.
Select the WAN port to which the configuration is to be edited; click the hyperlink to enter and edit its configuration. Users can input the MAC address manually. Press “Apply” to save the setting, and press “Cancel” to remove the setting.
Default MAC address is the WAN MAC address.
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XIV. System Tool
This chapter introduces the management tool for controlling the device and testing network connection.
For security consideration, we strongly suggest to change the password. Password and Time setting is in
Chapter 5.2.
14.1 Diagnostic
The device provides a simple online network diagnostic tool to help users troubleshoot network-related problems. This tool includes DNS Name Lookup (Domain Name Inquiry Test) and Ping (Packet
Delivery/Reception Test).
DNS Name lookup
On this test screen, please enter the host name of the network users want to test. For example, users may enter www.abc.com and press "Go" to start the test. The result will be displayed on this page.
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Ping
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This item informs users of the status quo of the outbound session and allows the user to know the existence of computers online.
On this test screen, please enter the host IP that users want to test such as 192.168.5.20. Press
"Go" to start the test. The result will be displayed on this screen.
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14.2 Firmware Upgrade
Users may directly upgrade the device firmware on the Firmware Upgrade page. Please confirm all information about the software version in advance. Select and browse the software file, click "Firmware
Upgrade Right Now" to complete the upgrade of the designated file.
Note！
Please read the warning before firmware upgrade.
Users must not exit this screen during upgrade. Otherwise, the upgrade may fail.
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14.3 Configration Backup
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Import Configuration File：
This feature allows users to integrate all backup content of parameter settings into the device. Before upgrade, confirm all information about the software version. Select and browse the backup parameter file:
"config.exp." Select the file and click "Import" to import the file.
Export Configuration File：
This feature allows users to backup all parameter settings. Click "Export" and select the location to save the
"config.exp" file.
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14.4 System Recover
Users can restart the device with System Recover button.
System Recover
As the figure below, if clicking “Restart Router” button, the dialog block will pop out, confirming if users would like to restart the device.
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Return to Factory Default Setting
If clicking “Return to Factory Default Setting, the dialog block will pop out, if the device will return to factory default.
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XV Log
From the log management and look up, we can see the relevant operation status, which is convenient for us to facilitate the setup and operation.
15.1 System Log
Its system log offers three options: system log, E-mail alert, and log setting.
System Log
Enable： If this option is selected, the System Log feature will be enabled.
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Syslog Server：
Enterprise Multi-WAN VPN QoS Router
The device provides external system log servers with log collection feature. System log is an industrial standard communications protocol.
It is designed to dynamically capture related system message from the network. The system log provides the source and the destination IP addresses during the connection, service number, and type. To apply this feature, enter the system log server name or the IP address into the empty "system log server" field.
Log Setting
Alert Log
The device provides the following warning message. Click to activate these features: Syn Flooding,
IP Spoofing, Win Nuke, Ping of Death / Unauthorized Login Attempt.
Syn Flooding：
Bulky syn packet transmission in a short time causes the overload of the system storage of record in connection information.
IP Spoofing：
Win Nuke：
Through the packet sniffing, hackers intercept data transmitted on the network. After they access the information, the IP address from the sender is changed so that they can access the resource in the source system.
Servers are attacked or trapped by the Trojan program.
Ping of Death：
The system fails because the sent data exceeds the maximum packet that can be handled by the IP protocol.
Unauthorized
Login：
If intruders into the device are identified, the message will be sent to the system log.
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General Log
The device provides the following warning message. Click to activate the feature. System error message, blocked regulations, regulation of passage permission, system configuration change and registration verification.
System Error
Message：
Provides the system log with all kinds of error messages. For example, wrong settings, occurrence of abnormal functions, system reactivation, disconnection of PPPoE and so on.
Deny Policies：
Allow Policies：
Configuration
Change：
Authorized Login：
If remote users fail to enter the system because of the access rules; for instance, message will be recorded in the system log.
If remote users enter the system because of compliance with access rules; for instance, message will be recorded in the system log.
When the system settings are changed, this message will be sent back to the system log.
Successful entry into the system includes login from the remote end or from the LAN into this device. These messages will be recorded in the system log.
The following is the description of the four buttons allowing online inquiry into the log.
View System Log：
This option allows users to view system log. The message content can be read online via the device. They include All Log, System Log, Access Log, Firewall Log, and VPN log, which is illustrated as below.
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Outgoing Packet Log：
View system packet log which is sent out from the internal PC to the Internet. This log includes
LAN IP, destination IP, and service port that is applied. It is illustrated as below.
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Incoming Packet Log：
View system packet log of those entering the firewall. The log includes information about the external source IP addresses, destination IP addresses, and service ports. It is illustrated as below.
Clear Log Now：
This feature clears all the current information on the log.
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15.2 System Statistic
The device has the real-time surveillance management feature that provides system current operation information such as port location, device name, current WAN link status, IP address, MAC address, subnet mask, default gateway, DNS, number of received/ sent/ total packets , number of received/ sent/ total Bytes, Received and Sent Bytes/Sec., total number of error packets received, total number of the packets dropped, number of session, number of the new Session/Sec., and upstream as well as downstream broadband usage (%).
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15.3 Traffic Statistic
Six messages will be displayed on the Traffic Statistic page to provide better traffic management and control.
Inbound IP Source Address：
The figure displays the source IP address, bytes per second, and percentage.
Outbound IP Source Address：
The figure displays the source IP address, bytes per second, and percentage.
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Inbound IP Service：
The figure displays the network protocol type, destination IP address, bytes per second, and percentage.
Outbound IP Service：
The figure displays the network protocol type, destination IP address, bytes per second, and percentage.
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Inbound IP Session：
The figure displays the source IP address, network protocol type, source port, destination IP address, destination port, bytes per second and percentage.
Outbound Session：
The figure displays the source IP address, network protocol type, source port, destination IP address, destination port, bytes per second and percentage.
15.4 IP/ Port Statistic
The device allows administrators to inquire a specific IP (or from a specific port) about the addresses that this IP had visited, or the users (source IP) who used this service port. This facilitates the identification of websites that needs authentication but allows a single WAN port rather than
Multi-WANs. Administrators may find out the destination IP for protocol binding to solve this login problem. For example, when certain port software is denied, inquiring about the IP address of this specific software server port may apply this feature. Moreover, to find out BT or P2P software, users may select this feature to inquire users from the port.
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Specific IP Status：
Enter the IP address that users want to inquire, and then the entire destination IP connected to remote devices as well as the number of ports will be displayed.
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Specific Port Status：
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Enter the service port number in the field and IP that are currently used by this port will be displayed.
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XVI. Log out
On the top right corner of the web- based UI, there is a Logout button. Click on it to log out of the web- based UI. To enter next time, open the Web browser and enter the IP address, user name and password to log in.
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Appendix I: User Interface and User Manual Chapter Cross Reference
This appendix is to show the corresponding index for each chapter and user interface. Users can find how to setup quickly and understand the VPN Router capability at the same time.
VPN Router overall interface is as below.
Category
Home
Basic Setting
QoS
Sub- category
Network Connection
Traffic Management
Protocol Binding
Bandwidth
Management
Session Control
Chapter
V. Device Spec Verification, Status Display and Login Password and Time Setting
5.1 Home
VI. Network
6.1 Network Connection
6.2 Multi- WAN Setting
6.2 Multi- WAN Setting
VIII. QoS
8.1 (QoS)
8.3 Bandwidth Management
8.2 Session Limit
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IP/DHCP
Firewall
Advanced Function
System Tool
Port Management
VPN
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Setup
Status
IP & MAC Binding
IP Grouping
General Policy
Access Rule
Content Filter
DMZ/Forwarding
UPnP
Routing
One to One NAT
DDNS
MAC Clone
Password
Diagnostic
Firmware Upgrade
Setting Backup
SNMP
Time
System Recover
VII. Intranet Configuration
7.3 DHCP/ IP
7.4 DHCP Status
7.5 IP & MAC Binding
7.6 IP Grouping
IX. Firewall
9.1 General Policy
9.2 Restricted Application
9.3 Access Rule
9.4 Content Filter
Xlll. Advanced Setting
13.1 DMZ Host/ Port Range Forwarding
13.2 UPnP- Universal Plug and Play
13.3 Routing
13.4 One to One NAT
13.5 DDNS
13.6 MAC Clone
XlV. System Tool
V. Device Spec Verification, Status Display and Login Password and Time Setting
5.2 Change and Set Login Password and Time
14.1 Diagnostic
14.2 Firmware Upgrade
14.3 Setting Backup
14.4 SNMP
Setup
Status
Summary
Gateway to Gateway
5.2 Change and Set Login Password and Time
14.5 System Recover
VII. Intranet Configuration
7.1 Setup
7.2 Status
X. VPN
10.1.1 Summary
10.1.2.1 Gateway to Gateway
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Log
QnoKey
QVM VPN
SSL VPN
Enterprise Multi-WAN VPN QoS Router
Client to Gateway
PPTP Setup
PPTP Status
VPN Pass Through
10.1.2.2 Client to Gateway
10.1.3 PPTP Setup
10.1.3 PPTP Status
10.1.4 VPN Pass Through
Summary
QVM Setup
System Log
System Status
Traffic Statistic
IP/Port statistic
10.2 QnoKey
10.2.1 -10.2.3 QnoKey Group and Client
10.3 QVM VPN
10.3.1 QVM VPN Server Setting
10.3.3 QVM VPN Client Setting
10.3.2 QVM Status QVM Status
Connection Status
Group Summary
XII. SSL VPN
12.1 Stauts
12.2 Group Summary
Group Management 12.3 Group Management
Domain Management 12.4 Domain Management
User Management
Service Resource
Management
Link to Portal
Advanced Settings
12,5 User Management
12.6 Service Resource Management
12.7 Link to Portal
12.8 Advanced Settings
XV. Log
15.1 System Log
15.2 System Status
15.3 Traffic Statistic
15.4 IP/Port statistic
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Appendix II：Troubleshooting
(1) Block BT Download
To block BT and prevent downloading by users, go to the “Firewall -> Content Filter" and select "Enable
Website Block by Keywords," followed by the input of "torrent." This will prevent the users from downloading.
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（2）Shock Wave and Worm Virus Prevention
Enterprise Multi-WAN VPN QoS Router
Since many users have been attacked by Shock Wave and Worm viruses recently, the internet transmission speed was brought down and the Session bulky increase result in the massive processing load of the device. The following guides users to block this virus' corresponding port for prevention. a. Add this TCP135-139, UDP135-139 and TCP445 Port. b. Use the "Access Rule" in the firewall and set to block these three ports.
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Use the same method to add
UDP [UDP135~139] and TCP [445~445] Ports. c. Enhance the priority level of these three to the highest.
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（3）Block QQLive Video Broadcast Setting
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QQLive Video broadcast software is a stream media broadcast software. Many clients are bothered by the same problem: When several users apply QQLive Video broadcast software, a greater share of the bandwidth is occupied, thus overloading the device. Therefore, the device responds more slowly or is paralyzed. If the login onto the QQLive Server is blocked, the issue can be resolved. The following relates to
Qno products and provides users with solutions by introducing users how to set up the device. a). Log into the device web- based UI, and enter “Firewall -> Access Rule’. b).
Click "Add New Rule" under "Access Rule" page. Select "Deny" in "Action" under the "Service” rule setting, followed by the selection of "All Traffic [TCP&UDP/1~65535]" from "the service" and select
"Any" for Interface, "Any" for source IP address (users with relevant needs may select either "Single" or
"Range" to block any QQLive login by using one single IP or IP range), followed by the selection of
"Single" of the "Dest. IP and enter the IP address as 121.14.75.155" for the QQLive Server (note that there are more than one IP address for QQLive server. Repeated addition may be needed). Lastly, select
"Always" under the Scheduling setting so that the QQLive Login Time can be set. (If necessary, specific time setting may be undertaken). Click "Apply" to move to the next step.
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c). Input the following IP address in Dest. IP with repeat operation.
121.14.75.115
60.28.234.117
60.28.235.119
222.28.155.17
QQ LiveVersion：QQ Live 2008 (7.0.4017.0)
Tested on: 2008-07-29
After repeated addition, users may see the links to the QQLive Server blocked. Click "Apply" to block QQLive video broadcast.
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（4）ARP Virus Attack Prevention
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1. ARP Issue and Information
Recently, many cyber cafes in China experienced disconnection (partially or totally) for a short period of time, but connection is resumed quickly. This is caused by the clash with MAC address. When virus-contained MAC mirrors to such NAT equipments as host devices, there is complete disconnection within the network. If it mirrors to other devices of the network, only devices of this affected network have problems. This happens mostly to legendary games especially those with private servers. Evidently, the network is attacked by ARP, which aims to crack the encryption method. By doing so, they hackers may intercept the packet data and user information through the analysis of the game's communication protocol.
Through the spread of this virus, the detailed information of the game players within the local network can be obtained. Their account and information are stolen. The following describes how to prevent such virus attack.
First, let us get down to the definition of ARP (Address Resolution Protocol). In LAN, what is actually transmitted is "frame", in which there is MAC address of the destination host device. Socalled “Address
Analysis” refers to the transferring process of the target IP address into the target MAC address before the host sends out the frame. The basic function of ARP protocol aims to inquire the MAC address of the target equipment via the IP address of the target equipment so as to facilitate the communications.
The Working Principle of ARP Protocol: Computers with TCP/IP protocol have an ARP cache, in which the IP address corresponds to the MAC address (as illustrated).
IP Address MAC
192.168.1.1
192.168.1.2
192.168.1.3
……
00-0f-3d-83-74-28
00-aa-00-62-c5-03
03-aa-01-75-c3-06
……
For example, host A (192.168.1.5) transmits data to Host B (192.168.1.1) .Transmitting data, Host A searches for the destination IP address from the ARP Cache. If it is located, MAC address is known. Simply fill in the MAC address for transmission. If no corresponding IP address is found in ARP cache, Host A will send a broadcast.
The MAC address is “FF.FF.FF.FF.FF.FF,” which is to inquire all the host devices in the
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same network session about “What is the MAC address of “192.168.1.1"? Other host devices do not respond to the ARP inquiry except host device B, which responds to host device
A when receiving this frame: “The
MAC address of 192.168.1.1 is 00-aa-00-62-c6-
09”. So Host A knows the MAC address of Host B, and it can send data to Host B. Meanwhile, it will update its ARP cache.
Moreover, ARP virus attack can be briefly described as an internal attack to the PC, which causes trouble to the ARP table of the PC. In LAN, IP address was transferred into the second physical address
(MAC address) through ARP protocol. ARP protocol is critical to network security. ARP cheating is caused by fake IP addresses and MAC addresses, and the massive ARP communications traffic will block the network.
The MAC address from the fake source sends ARP response, attacking the high-speed cache mechanism of
ARP. This usually happens to the cyber cafe users. Some or all devices in the shop experience temporal disconnection or failure of going online. It can be resolved by restarting the device; however, the problem repeats shortly after. Cafe Administrators can use arp
–a command to check the ARP table. If the device IP and MAC are changed, it is the typical symptom of ARP virus attack.
Such virus program as PWSteal. lemir or its transformation is worm virus of the Trojan programs affecting Windows 95/ 98/ Me/ NT/ 2000/ XP/ 2003. There are two attack methods affecting the network connection speed: cheat on the ARP table in the device or LAN PC. The former intercepts the gateway data and send ceaselessly a series of wrong MAC messages to the device, which sends out wrong MAC address.
The PC thus cannot receive the messages. The later is ARP attack by fake gateways. A fake gateway is established. The PC which is cheated sends data to this gateway and doesn't go online through the normal device
. From the PC end, the situation is "disconnection“.
For these two situations, the device and client setup must be done to prevent ARP virus attack, which is to guarantee the complete resolution of the issue. The device selection is advised to take into consideration the one with anti-ARP virus attack. Qno products come squarely with such a feature, which is very user-friendly compared to other products.
2. ARP Diagnostic
If one or more computers are affected by the ARP virus, we must learn how to diagnose and take appropriate measures. The following is experience shared by Qno technical engineers with regard to the
ARP prevention.
Through the ARP working principle, it is known that if the ARP cache is changed and the device is constantly notified with the series of error IP or if there is cheat by fake gateway, then the issue of disconnection will affect a great number of devices. This is the typical ARP attack. It is very easy to judge if
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there is ARP attack. Once users find the PC point where there is problem, users may enter the DOS system to conduct operation, pining the LAN IP to see the packet loss. Enter the ping 192.168.1.1 (Gateway IP address) as illustrated.
If there are cases of packet loss of the ping LAN IP and lf later there is connection, it is possible that the system is attacked by ARP. To verify the situation, we may judge by checking ARP table. Enter the ARP -a command as illustrated below.
It is found that the IP of 192.168.1.1 and 192.168.252 points to the same MAC address as
00-0f-3d-83-74-28. Evidently, this is a cheat by ARP.
3. ARP Solution
Now we understand ARP, ARP cheat and attack, as well as how to identify this type of attack. What comes next is to find out effective prevention measures to stop the network from being attacked. The general solution provided by Qno can be divided into the following three options:
a) Enable “Prevent ARP Virus Attack”:
Enter the device IP address to log in the management webpage of the device
. Enter ”Firewall->
General” and find the option "Prevent ARP Virus Attack" to the right of the page. Click on the option to activate it and click "Apply" at the bottom of the page (see illustrated).
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Enterprise Multi-WAN VPN QoS Router b) Bind the Gateway IP and MAC address for each PC
This prevents the ARP from cheating IP and its MAC address. First, find out the gateway IP and MAC address on the device end.
On every PC, start or operate cmd to enter the dos operation. Enter arp
–s 192.168.1.1
0a-0f-d4-9e-fb-0b so as to finish the binding of pc01 as illustrated.
For other host devices within the network, follow the same way to enter the IP and MAC address of the corresponding device to complete the binding work. However, if this act restarts the computer, the setting will be cancelled. Therefore, this command can be regarded as a batch of processing documents placed in the activation of the operation system. The batch processing documents can be put in this way:
@echo off arp -d arp -s Router LAN IP Router LAN MAC
For those internal network attacked by Arp, the source must be identified. Method: If the PC fails to
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go online or there is packet loss of ping, in the DOS screen, input arp
–a command to check if the MAC address of the gateway is the same with the device MAC address. If not, the PC corresponding to the
MAC address is the source of attack.
Solutions for other device users are to make a two-way binding of the IP address and MAC address from both of the PC and device ends in order to carry out the prevention work. However, this is more complicated because the search for the IP and address and MAC increases the workload.
Moreover, there is greater possibility of making errors during the operation.
c) Bind the IP/MAC Address from Device End:
Enter “Setup” under DHCP page. On the down right corner of the screen, there is “IP and MAC Binding,” where users may create IP and MAC binding. On “Enabled,” click on “√” and select “Add to List.” Repeat these steps to add other IP addresses and MAC binding, followed by clicking “Apply” at the bottom of the page.
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After an item is added to the list, the corresponding message will be displayed in the white block on the bottom. However, such method is not recommended because the inquiry of IP/MAC addresses of all hosts creates heavy workload. Another method to bind IP and MAC is more recommended because of easy operation, reducing workload and time efficiency. It is described in the following.
Enter “Setup” under the DHCP page and look for IP and MAC binding. On the right, there is an option of
"Show new IP user" and click to enter.
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Click to display IP and MAC binding list dialog box. In this box, the unbinding IP and MAC address corresponding to the PC are displayed. Enter the "Name" of the computer and click on "Enabled" with the display of the “√” icon and push the option on the top right corner of the screen to confirm.
Now the bound options will display on the IP and MAC binding list (as illustrated in Figure 5) and click
"Apply” to finish binding.
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Though these basic operations can help solve the problem but Qno's technical engineers suggest that further measures should be taken to prevent the ARP attack.
1. Deal with virus source as well as the source device affected by virus through virus killing and the system re-installation. This operation is more important because it solves the source PC which is attacked by
ARP. This can better shelter the network from being attacked.
2. Cyber café administrators should check the LAN virus, install anti-virus software (Ginshan Virus/Reixin must update the virus codes) and conduct virus scanning for the device.
3. Install the patch program for the system. Through Windows Update, the system patch program (critical update, security update and Service Pack)
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4. Provide system administrators with a sophisticated and strong password for different accounts. It would be best if the password consists of a combination of more than 12 letters, digits, and symbols. Forbid and delete some redundant accounts.
5. Frequently update anti-virus software (virus data base), and set the daily upgrade that allows regular and automatic update. Install and use the network firewall software. Network firewall is important for the process of anti-virus. It can effectively avert the attack from the network and invasion of the virus. Some users of the pirate version of Windows cannot install patches successfully. Users are advised to use network firewall and other measures for protection.
6. Close some unnecessary services and some unnecessary sharing (if the condition is applicable), which includes such management sharing as C$ and D$. Single device user can directly close Server service.
7. Do not open QQ or the link messages sent by MSN online chatting tools in a causal manner. Do not open or execute any strange, suspicious documents, and procedures such as the unknown attachment enclosed in E-mail and plug-in.
4. Summary
ARP attack prevention is a serious and long-term undertaking. The above methods can basically resolve the network problems caused by ARP virus attack. Moreover, clients who adopted similar methods witness good results. However, it is important that network administrators pay special attention to this problem rather than overlooking the issue. It is suggested that the above measures can be adopted to prevent ARP attack, reduce the damage, enhance the work efficiency, and minimize economic loss.
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Appendix III：Qno Technical Support Information
For more information about the Qno's product and technology, please log onto the Qno's bandwidth forum, refer to the examples of the FTP server, or contact the technical department of Qno's dealers as well as the Qno's Mainland technical center.
Qno Official Website http：//www.Qno.com.tw or http://www.Qno.com.tw/English
Taiwan Support Center：
E- mail：[email protected]
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